According to a 2012 Forrester Consulting study, 83% of enterprises used VMware virtualization software, with 48% planning to increase spending over the next year. The study also found that 83% of virtualized enterprises are adopting a software-defined data center approach, with 70% using VMware technologies to build hybrid cloud environments. A VMware Cloud Index survey of 2555 IT decision makers worldwide showed that 65% believe the software-defined data center will significantly change how IT is delivered over the next few years.