NStarX Engineering team has a view on a comprehensive framework for CTOs and CIOs to navigate AI investments, measure tangible returns, and build sustainable value in the enterprise
Executive Summary
As artificial intelligence transforms from experimental technology to business-critical infrastructure, CIOs and CTOs face unprecedented pressure to demonstrate measurable returns on AI investments. While 74% of CEOs expect AI to be the most impactful technology for their organizations, the reality is starkly different: over 80% of AI projects fail, with cost overruns potentially consuming 35% of annual IT budgets and cost estimates missing the mark by 500-1000%.
This guide provides technology leaders with a pragmatic framework to move beyond AI experimentation toward sustainable, measurable business value creation.
1. The Current State of Enterprise AI Adoption: Numbers Don’t Lie
The Adoption Explosion
Enterprise AI adoption has reached an inflection point in 2025. The Stanford AI Index reports that 78% of organizations will use AI in 2024, with major economies increasing investment in AI development and regulation through 2025. More specifically, AI adoption among US firms has more than doubled in the past two years, rising from 3.7% in fall 2023 to 9.7% in early August 2025.
The financial commitment is equally dramatic. AI spending has surged to $13.8 billion in 2024, a six-fold increase from $2.3 billion in 2023. Innovation budgets that once made up a quarter of LLM spending have now dropped to just 7%, as enterprises increasingly pay for AI models and apps via centralized IT and business unit budgets.
Industry-Specific Adoption Patterns
The adoption landscape reveals significant industry variations. In early August 2025, one in four businesses in the Information sector reported using AI, which is roughly ten times the rate for Accommodation and Food Services. Manufacturing shows promising growth, with more than 77% of manufacturers having implemented AI to some extent, compared to 70% in 2023.
Geographic and Enterprise Scale Considerations
Early enterprise use of Claude is unevenly distributed across the economy and primarily deployed for tasks typical of Information sector occupations. Larger organizations lead in AI governance and risk mitigation, with respondents at larger organizations being more than twice as likely as their small-company peers to have established clearly defined road maps to drive adoption of gen AI solutions.
2. The AI Hype Trap: When Enthusiasm Exceeds Execution
The Reality Behind the Headlines
Despite overwhelming optimism, enterprise AI faces a sobering reality check. 42% of C-suite executives report that AI adoption is tearing their company apart, with 72% of the C-suite saying their company has faced at least one challenge on their journey to AI adoption.
Tool Sprawl and Organizational Chaos
The rush to adopt AI has created what researchers term “tool sprawl”—uncoordinated proliferation of AI solutions across the enterprise. 72% of executives observe that AI applications are developed in silos, with 68% reporting friction between IT and other departments.
The Strategy Gap
The impact of lacking a coordinated approach is stark. At companies without a formal AI strategy, only 37% of executives report being very successful at adopting and implementing AI, compared to 80% at companies with a strategy.
ROI Disconnection
More than 80 percent of respondents say their organizations aren’t seeing a tangible impact on enterprise-level EBIT from their use of gen AI, with only 17% saying 5 percent or more of their organization’s EBIT in the past 12 months is attributable to the use of gen AI.
3. Real-World Case Studies: Learning from Success and Failure
Success Stories That Demonstrate Measurable ROI
Elanco’s Pharmacovigilance Framework Elanco implemented a gen AI framework supporting critical business processes, including Pharmacovigilance, Customer Orders, and Clinical Insights. The framework, powered by Vertex AI and Gemini, has resulted in an estimated ROI of $1.9 million since launching.
Prudential’s Marketing Transformation Prudential’s marketing strategy team implemented Writer’s agentic AI platform to automate content creation and customer analysis workflows, creating custom AI agents including a voice-of-customer analysis tool that transforms customer feedback into actionable insights while ensuring regulatory compliance.
Manufacturing Success at Toyota Toyota implemented an AI platform using Google Cloud’s AI infrastructure to enable factory workers to develop and deploy machine learning models, directly improving operational efficiency at the production level.
High-Profile Failures and Lessons Learned
McDonald’s AI Drive-Thru Disaster After working with IBM for three years to leverage AI to take drive-thru orders, McDonald’s called the whole thing off in June 2024 due to a slew of social media videos showing confused and frustrated customers, including one TikTok video featuring an AI that kept adding more Chicken McNuggets to an order, eventually reaching 260.
IBM Watson for Oncology IBM’s partnership with the University of Texas M.D. Anderson is a well-known example of AI project failure. Internal IBM documents show that Watson frequently gave erroneous cancer treatment advice, such as prescribing bleeding drugs for a patient with severe bleeding, with the project costing $62 million without achievement.
New York City’s MyCity Chatbot NYC’s MyCity chatbot, intended to help provide information on starting and operating businesses, falsely claimed that business owners could take a cut of their workers’ tips, fire workers who complain of sexual harassment, and serve food that had been nibbled by rodents.
The Pattern of Failure
According to S&P Global Market Intelligence’s 2025 survey, 42% of companies abandoned most of their AI initiatives this year — a dramatic spike from just 17% in 2024, with the average organization scrapping 46% of AI proof-of-concepts before they reached production.
4. Critical Measures for Pragmatic AI Implementation
Start with Business Problems, Not AI Solutions
The most successful AI implementations begin with clearly defined business problems. AI projects should begin not with the tool, but with the business problem. A more effective approach starts by defining the desired outcome and working backward to determine where AI can make a meaningful impact.
Essential Pre-Implementation Questions:
- Business Impact Assessment: Will this improve speed, reduce cost, increase accuracy, or enhance customer experience?
- Competitive Differentiation: Will it provide a competitive edge by enabling something better, faster, or more intelligent than the status quo?
- Data Readiness: Do we have the quality and quantity of data required for success?
- Infrastructure Capability: Can our current systems support the AI implementation?
Use Case Identification Framework
High-Impact Categories for CIOs and CTOs:
- Process Automation: Focus on repetitive, rule-based tasks with clear inputs and outputs
- Decision Support: Areas where data analysis can improve decision quality and speed
- Customer Experience Enhancement: Touchpoints where AI can personalize and improve interactions
- Operational Efficiency: Workflows with significant manual overhead or bottlenecks
ROI Measurement Criteria
Establish clear metrics before implementation:
Hard ROI Metrics:
- Labor cost reductions through automation
- Operational efficiency gains
- Revenue increases from improved customer experiences
- Cost savings from error reduction
Soft ROI Metrics:
- Employee satisfaction and retention
- Decision-making speed and accuracy
- Customer satisfaction improvements
- Innovation capability enhancement
5. Pitfalls and Frameworks for Successful Implementation
Common Implementation Pitfalls
The “Boil the Ocean” Approach Organizations often attempt multi-year data transformation programs promising to “get our data right” before tackling AI, which doesn’t work. Instead, enterprises should experiment rapidly, codify lessons through adoption, and harden them into scalable, compliant processes.
Pilot Purgatory Roughly 97% of enterprises struggle to demonstrate business value from their early GenAI efforts, often remaining stuck in pilot mode unable to transition into production.
Inadequate Governance The top obstacles to AI success include data quality and readiness (43%), lack of technical maturity (43%), and shortage of skills and data literacy (35%).
Implementation Framework for Success
Phase 1: Foundation Building (Months 1-3)
- Establish AI governance framework
- Assess data quality and accessibility
- Define success metrics and KPIs
- Identify pilot use cases with clear business value
Phase 2: Controlled Experimentation (Months 4-8)
- Launch 2-3 pilot projects with different risk profiles
- Implement monitoring and feedback loops
- Train teams on AI tools and methodologies
- Establish change management processes
Phase 3: Scaling and Integration (Months 9-18)
- Scale successful pilots enterprise-wide
- Integrate AI capabilities into existing workflows
- Develop internal AI competency centers
- Implement continuous improvement processes
Risk Mitigation Strategies
- Start Small, Think Big: Begin with low-risk, high-visibility use cases
- Human-in-the-Loop: Maintain human oversight for critical decisions
- Continuous Monitoring: Implement real-time performance tracking
- Ethical Guidelines: Establish clear AI ethics and bias mitigation protocols
6. Best Practices for Enterprise AI Success
Organizational Best Practices
1. Establish Cross-Functional AI Teams CAIOs can’t deliver on their broad mandate alone and need to partner with other C-suite stakeholders, collaborating with CDOs on data strategy, CISOs on security, and CHROs on building employee support.
2. Implement Agile Development Methodologies AI projects benefit from iterative cycles where models are continuously improved based on feedback and new data, with each sprint focusing on specific goals such as improving model accuracy or integrating new data sources.
3. Focus on Data Quality First Winning programs invert typical spending ratios, earmarking 50-70% of the timeline and budget for data readiness — extraction, normalization, governance metadata, quality dashboards, and retention controls.
Technical Best Practices
1. Choose Build vs. Buy Strategically Purchasing AI tools from specialized vendors and building partnerships succeed about 67% of the time, while internal builds succeed only one-third as often.
2. Implement Proper AI Operations (AIOps)
- Version control for models and datasets
- Automated testing and validation
- Performance monitoring and alerting
- Model governance and compliance tracking
3. Design for Scalability
- Cloud-native architectures
- Microservices-based implementations
- API-first design principles
- Container-based deployments
Change Management Best Practices
1. Address Employee Concerns Proactively 37% of respondents in 2021 said they were more concerned than excited about AI, jumping to 52% in 2023, with trust being crucial because if employees don’t trust AI tools, they’ll actively work against them.
2. Provide Comprehensive Training
- Technical training for IT teams
- Business training for end users
- AI literacy programs for leadership
- Continuous learning initiatives
3. Communicate Value Clearly Organizations ahead on building awareness and momentum through internal communications about the value created by gen AI solutions see better adoption rates.
7. ROI Calculator Frameworks: Two Detailed Examples
Framework 1: The Four-Part Agentic AI ROI Model
The agentic AI ROI framework is a four-part model that helps business leaders measure the full business impact of AI-powered systems, going beyond simple cost savings to capture exponential business value.
Part 1: Operational Efficiency ROI
Formula: (Time Saved × Hourly Cost) + (Error Reduction × Cost per Error) – AI Implementation Cost = Operational ROI
Example:
– 1,000 hours saved monthly × $50/hour = $50,000
– 50% error reduction × $200/error × 100 errors = $10,000
– AI cost: $15,000/month
– Monthly ROI: $50,000 + $10,000 – $15,000 = $45,000
– Annual ROI: $540,000
Part 2: Revenue Enhancement ROI
Formula: (Additional Revenue Generated) + (Customer Retention Value) – AI Investment = Revenue ROI
Example:
– AI-driven personalization increases conversion by 15%
– Baseline revenue: $1M monthly
– Additional revenue: $150,000 monthly
– AI cost: $25,000/month
– Monthly Revenue ROI: $150,000 – $25,000 = $125,000
– Annual ROI: $1,500,000
Part 3: Risk Mitigation ROI
Formula: (Compliance Cost Savings) + (Security Incident Prevention Value) – AI Security Investment = Risk ROI
Example:
– Automated compliance saves $30,000 monthly
– Prevented security incidents: $100,000 potential loss
– AI security tools: $20,000/month
– Risk ROI: $30,000 + $100,000 – $20,000 = $110,000
Part 4: Strategic Agility ROI
Formula: (Value of faster speed-to-market) + (Incremental value from improved decision-making) – Cost of AI solution = Business agility ROI
Example:
– Launch product 3 months earlier than competitor: $300,000 market advantage
– Improved decision-making saves $50,000 monthly
– AI cost: $60,000 total
– Agility ROI: $300,000 + $50,000 – $60,000 = $290,000
Framework 2: The Three-Category ROI Assessment Model
AI initiatives should be evaluated across 3 distinct ROI categories: Measurable ROI, Strategic ROI, and Capability ROI to fully capture their value and impact.
Measurable ROI Calculator
Direct Financial Impact = (Cost Savings + Revenue Increases) – (AI Investment + Operational Costs)
Components:
– Labor cost reductions
– Process efficiency gains
– Error reduction savings
– New revenue streams
– Customer acquisition improvements
ROI % = (Net Financial Benefit / Total AI Investment) × 100
Strategic ROI Assessment
- Market positioning improvements
- Competitive advantage gains
- Brand reputation enhancement
- Regulatory compliance benefits
- Risk reduction value
Capability ROI Measurement
- Employee skill development
- Organizational learning
- Innovation culture building
- Technology infrastructure improvements
- Future readiness enhancement
The below NStarX framework is shown in Figure 1that we use when we work with Enterprise customers.
FIGURE 1: ROI MEASUREMENT FRAMEWORK FOR AI/GENAI USECASES
8. Overcoming Practical Hurdles in ROI Measurement
Common Measurement Challenges
1. Intangible Benefits Quantification Many of AI’s benefits—like improved customer satisfaction, better decision-making, or enhanced employee morale—are hard to quantify in monetary terms. Solution: Develop proxy metrics and correlation studies to estimate value.
2. Long-Term Value Realization Unlike traditional investments which may yield faster results, AI projects often take time to deliver significant value, potentially taking months or even years to see full benefits. Solution: Establish milestone-based measurement with incremental value tracking.
3. Data Quality and Availability Issues Many businesses struggle with data quality or availability issues, and if the data used to train AI models is incomplete, outdated, or biased, the results may be unreliable. Solution: Invest in data infrastructure before AI implementation.
Practical Solutions for CIOs and CTOs
1. Establish Baseline Measurements Before implementing AI:
- Document current process performance
- Measure existing error rates and costs
- Track current customer satisfaction metrics
- Establish productivity benchmarks
2. Implement Continuous Monitoring
- Real-time performance dashboards
- Automated ROI calculations
- Regular stakeholder reporting
- Trend analysis and forecasting
3. Use Comparative Analysis
- A/B testing for AI vs. traditional approaches
- Control group studies
- Industry benchmarking
- Internal pilot comparisons
4. Develop Multi-Timeframe Assessments
- Short-term (3-6 months): Operational improvements
- Medium-term (6-18 months): Process optimization
- Long-term (18+ months): Strategic value creation
Technology Solutions for ROI Tracking
Business Intelligence and Analytics Platforms Leveraging capabilities of Tableau, Power BI, and Qlik, CIOs can effectively measure and demonstrate the ROI of AI implementations, ensuring that AI projects align with business objectives and deliver measurable value.
Automated ROI Calculation Tools
- Custom dashboards for real-time tracking
- Integration with existing business systems
- Automated report generation
- Predictive ROI modeling
9. Building Measurable Outcomes in a Rapidly Evolving Landscape
Adaptive Measurement Frameworks
1. Flexible KPI Systems Design measurement systems that can evolve with changing AI capabilities:
- Modular metric frameworks
- Configurable dashboards
- Adaptive benchmark updating
- Scalable measurement infrastructure
2. Future-Proofing ROI Models AI tools and techniques are constantly evolving, requiring leaders to stay agile and adapt to new developments, which can make it difficult to set consistent, long-term ROI benchmarks.
Solutions:
- Regular framework reviews and updates
- Scenario planning for technology evolution
- Flexible investment strategies
- Continuous learning programs
Strategic Planning for AI Evolution
1. Portfolio Approach to AI Investments The third part of the portfolio approach focuses on a few high-reward and highly challenging “moonshots” such as new AI-driven business models, while business owners or the C-suite should choose and lead them.
Investment Categories:
- Foundation (60%): Core operational improvements
- Growth (30%): Revenue-generating initiatives
- Innovation (10%): Experimental “moonshot” projects
2. Agentic AI Preparation The move from generative to agentic AI isn’t just an upgrade—it’s a fundamental shift in how business leaders think about the role of artificial intelligence in the enterprise.
Preparation strategies:
- Skill development for agentic AI management
- Infrastructure upgrades for autonomous systems
- Governance frameworks for AI agents
- Human-AI collaboration models
Measuring Success in an AI-First World
1. Beyond Traditional Metrics As AI becomes integral to business operations, traditional productivity metrics may become inadequate. New measurement approaches should consider:
- AI-human collaboration effectiveness
- Innovation velocity
- Adaptive capacity
- Resilience metrics
2. Ecosystem-Level ROI Measure AI impact across the entire business ecosystem:
- Partner and supplier benefits
- Customer ecosystem improvements
- Industry leadership positioning
- Regulatory compliance advantages
10. Conclusion: From Hype to Sustainable Value Creation
The AI revolution is real, but sustainable success requires moving beyond the hype cycle toward disciplined, measurable value creation. For CIOs and CTOs, this means fundamentally changing how we approach AI investments—from technology-first to business-outcome-first thinking.
Key Takeaways for Technology Leaders
- Start with Strategy: Companies with formal AI strategies achieve 80% success rates compared to 37% for those without. Develop comprehensive AI strategies before scaling investments.
- Focus on Measurable Outcomes: Nearly three-quarters of organizations reported that their most advanced AI initiatives are meeting or exceeding ROI expectations. The difference lies in rigorous measurement frameworks.
- Invest in Foundations: Winning programs earmark 50-70% of timeline and budget for data readiness. Build solid data and governance foundations before pursuing advanced AI capabilities.
- Embrace Continuous Learning: The AI landscape evolves rapidly. Successful organizations maintain adaptive frameworks that evolve with the technology.
The Path Forward
Success in the AI era requires balancing innovation with pragmatism. While the promise of transformative business value is real, achieving it demands disciplined execution, rigorous measurement, and unwavering focus on business outcomes.
CIOs and CTOs who master this balance—delivering innovation while maintaining fiscal responsibility and measurable impact—will emerge as true strategic leaders in their organizations. The question is not whether AI will transform business, but whether technology leaders can transform AI investments into sustainable competitive advantages.
The companies that succeed will be those that move beyond AI experimentation toward AI excellence, building measurement systems that capture not just what AI costs, but what it enables. In this new paradigm, ROI becomes not just a financial metric, but a strategic compass guiding organizations toward AI-powered business transformation.
11. References
- Anthropic Economic Index report: Uneven geographic and enterprise AI adoption. (2025). Retrieved from https://www.anthropic.com/research/anthropic-economic-index-september-2025-report
- How 100 Enterprise CIOs Are Building and Buying Gen AI in 2025. (2025). Andreessen Horowitz. Retrieved from https://a16z.com/ai-enterprise-2025/
- Global AI Adoption Statistics: A Review from 2017 to 2025. (2025). G2. Retrieved from https://learn.g2.com/ai-adoption-statistics
- 2025 AI Adoption Across Industries: Trends You Don’t Want to Miss. (2025). Coherent Solutions. Retrieved from https://www.coherentsolutions.com/insights/ai-adoption-trends-you-should-not-miss-2025
- New Study Reveals What Is Holding Up AI Adoption for Enterprises. (2025). EPAM. Retrieved from https://www.epam.com/about/newsroom/press-releases/2025/what-is-holding-up-ai-adoption-for-businesses-new-epam-study-reveals-key-findings
- Enterprise AI Adoption: State of Generative AI in 2025. (2025). Stack AI. Retrieved from https://www.stack-ai.com/blog/state-of-generative-ai-in-the-enterprise
- State of Enterprise AI Adoption Report 2025. (2025). ISG. Retrieved from https://isg-one.com/state-of-enterprise-ai-adoption-report-2025
- Key findings from our 2025 enterprise AI adoption report. (2025). Writer. Retrieved from https://writer.com/blog/enterprise-ai-adoption-survey-press-release/
- The Surprising Reason Most AI Projects Fail – And How to Avoid It at Your Enterprise. (2025). Informatica. Retrieved from https://www.informatica.com/blogs/the-surprising-reason-most-ai-projects-fail-and-how-to-avoid-it-at-your-enterprise.html
- AI project failure rates are on the rise: report. (2025). CIO Dive. Retrieved from https://www.ciodive.com/news/AI-project-fail-data-SPGlobal/742590/
- MIT report: 95% of generative AI pilots at companies are failing. (2025). Fortune. Retrieved from https://fortune.com/2025/08/18/mit-report-95-percent-generative-ai-pilots-at-companies-failing-cfo/
- 11 famous AI disasters. (2022). CIO. Retrieved from https://www.cio.com/article/190888/5-famous-analytics-and-ai-disasters.html
- Why Most Enterprise AI Projects Fail — and the Patterns That Actually Work. (2025). WorkOS. Retrieved from https://workos.com/blog/why-most-enterprise-ai-projects-fail-patterns-that-work
- The Root Causes of Failure for Artificial Intelligence Projects and How They Can Succeed: Avoiding the Anti-Patterns of AI. (2024). RAND Corporation. Retrieved from https://www.rand.org/pubs/research_reports/RRA2680-1.html
- AI Fail: 4 Root Causes & Real-life Examples. (2025). AI Multiple. Retrieved from https://research.aimultiple.com/ai-fail/
- The AI Implementation Paradox: Why 42% of Enterprise Projects Fail Despite Record Adoption. (2025). Medium. Retrieved from https://medium.com/@stahl950/the-ai-implementation-paradox-why-42-of-enterprise-projects-fail-despite-record-adoption-107a62c6784a
- Gartner Predicts 30% of Generative AI Projects Will Be Abandoned After Proof of Concept By End of 2025. (2024). Gartner. Retrieved from https://www.gartner.com/en/newsroom/press-releases/2024-07-29-gartner-predicts-30-percent-of-generative-ai-projects-will-be-abandoned-after-proof-of-concept-by-end-of-2025
- Between 70-85% of GenAI deployment efforts are failing to meet their desired ROI. (2024). NTT DATA Group. Retrieved from https://www.nttdata.com/global/en/insights/focus/2024/between-70-85p-of-genai-deployment-efforts-are-failing
- How to maximize ROI on AI in 2025. (2025). IBM. Retrieved from https://www.ibm.com/think/insights/ai-roi
- The state of AI: How organizations are rewiring to capture value. (2025). McKinsey. Retrieved from https://www.mckinsey.com/capabilities/quantumblack/our-insights/the-state-of-ai
- AI in the workplace: A report for 2025. (2025). McKinsey. Retrieved from https://www.mckinsey.com/capabilities/mckinsey-digital/our-insights/superagency-in-the-workplace-empowering-people-to-unlock-ais-full-potential-at-work
- 2025 AI Business Predictions. (2025). PwC. Retrieved from https://www.pwc.com/us/en/tech-effect/ai-analytics/ai-predictions.html
- State of Generative AI in the Enterprise 2024. (2024). Deloitte. Retrieved from https://www.deloitte.com/us/en/what-we-do/capabilities/applied-artificial-intelligence/content/state-of-generative-ai-in-enterprise.html
- AI ROI calculator: From generative to agentic AI success in 2025. (2025). Writer. Retrieved from https://writer.com/blog/roi-for-generative-ai/
- IBM Study: More Companies Turning to Open-Source AI Tools to Unlock ROI. (2024). IBM. Retrieved from https://newsroom.ibm.com/2024-12-19-IBM-Study-More-Companies-Turning-to-Open-Source-AI-Tools-to-Unlock-ROI
- Proving ROI – Measuring the Business Value of Enterprise AI. (2025). Agility at Scale. Retrieved from https://agility-at-scale.com/implementing/roi-of-enterprise-ai/
- Real-world gen AI use cases from the world’s leading organizations. (2025). Google Cloud. Retrieved from https://cloud.google.com/transform/101-real-world-generative-ai-use-cases-from-industry-leaders
- 2024 AI Growth: Key AI Adoption Trends & ROI Stats. (2025). Hypersense Software. Retrieved from https://hypersense-software.com/blog/2025/01/29/key-statistics-driving-ai-adoption-in-2024/
- How to Measure the ROI of AI Coding Assistants. (2025). The New Stack. Retrieved from https://thenewstack.io/how-to-measure-the-roi-of-ai-coding-assistants/
- The ROI of AI: Why impact > hype. (2025). CIO. Retrieved from https://www.cio.com/article/4001889/the-roi-of-ai-why-impact-hype.html
- How CIO’s Can Measure the ROI of AI: A Comprehensive Guide. (2025). Medium. Retrieved from https://medium.com/@rickspair/how-cios-can-measure-the-roi-of-ai-a-comprehensive-guide-ai-roi-cio-innovation-technology-a2aec8441231
- How to Measure and Prove the Value of Your AI Investments. (2025). ISACA. Retrieved from https://www.isaca.org/resources/news-and-trends/newsletters/atisaca/2025/volume-5/how-to-measure-and-prove-the-value-of-your-ai-investments
- AI ROI: Unlocking the True Value of Artificial Intelligence for Your Business. (2025). CTO Magazine. Retrieved from https://ctomagazine.com/ai-roi-unlocking-the-true-value-of-artificial-intelligence/
- How Chief AI Officers deliver AI ROI. (2025). IBM. Retrieved from https://www.ibm.com/thought-leadership/institute-business-value/en-us/report/chief-ai-officer
- Where’s the ROI for AI? CIOs struggle to find it. (2025). CIO. Retrieved from https://www.cio.com/article/2112589/wheres-the-roi-for-ai-cios-struggle-to-find-it.html
- The CIO Playbook: Measuring the ROI of AI. (2025). Grammarly. Retrieved from https://go.grammarly.com/the-cio-playbook