A new research report on cloud-software buying trends is chock-full of warnings for those companies who blindly ignore the “massive potential” for vendor lock-in in the cloud.“Despite a perception of simplicity in software acquisition,” writes Ray Wang, CEO of Constellation Research Group, in the report, “many cloud contracts come with all the rigor and due diligence of on-premise licensed software.”Wang contends that cloud software sales (or Software-as-a-Service) have “dominated” most new enterprise app license sales. In the report—“The Enterprise Cloud Buyer’s Bill of Rights: Applications (SaaS)”—he estimates 81 percent of all new enterprise