Virtualizing more workloads and applications can help businesses save up to 50% on IT costs compared to those relying primarily on physical servers. Not virtualizing enough puts businesses at risk of higher costs, lost revenue from downtime that costs thousands per minute, and less agility to adapt to new technologies and market changes. The document recommends virtualizing at least 70% of IT environments to help transition effectively to cloud computing and realize the efficiencies, cost savings, and flexibility that virtualization provides.