Verimatrix and Inside Secure – two of only a handful of innovative DRM players in the market, have cut a deal this week for one to acquire the other. The structure of the deal is complex because Inside Secure is a public company in France, and Verimatrix is a US VC-funded start up we first came across 15 years ago. Our take is that this deal is a case of what happens when a group of VC investors get too long in the tooth, and need to get out of a particular investment. Technically, Verimatrix is being sold to the smaller Inside Secure and for the first time accurate numbers from the previously private Verimatrix are included, showing it to…