Johnson points to recent news releases from his company, which makes Internet-based and on-premise versions of its software, and others as showing that the action is coming from end user companies switching from on SaaS platform to another, not moving from on-premise software. Customizations, he believes, lock end users into a particular vendor, not the SaaS platform itself. And if you read summary of the views of Skyytek CEO Ray Tetlow on the need for customization at SMBs, then that's not going to be the factor in holding end users loyal that many expected.