CyanogenMod is one of the biggest hacks to ever hit the Android mobile platform. It's got an estimated 500,000 users. Many Android programmers use it as a starting point for their own coding projects. And according to the project's founder, a number of Google employees have it installed on their Android devices.
Well, phooey. Google is blocking users with rooted Android devices from renting movies via Android Market. Apparently, it's "due to requirements related to copyright protection". I guess Google thinks people who use rooted phones are pirates who steal movies.