United States, Feb. 5 -- Business leaders and IT decision-makers confirm AI use will reach mainstream levels of adoption as organizations devote a greater slice of their IT budgets to AI implementations, according to new IDC research commissioned by Lenovo. The new global 2025 CIO Playbook entitled It's Time for AI-nomics, highlights AI spending expectations by IT decision-makers globally to nearly triple in 2025 compared with last year. But critical challenges include uncertain financial returns on these investments and gaps in organizational readiness.Proving ROI: The Greatest BarrierWhile most AI use cases have met business expectations, proving the return of these investments remains challenging-financial risk and uncertain ROI rank as ...