Two years ago, Meyer made an X-Plane app for the Android smartphone. Things were going great. Then, this past summer, he received a letter. Meyer said a company called Uniloc was filing suit against him for patent infringement. According to the lawsuit, Uniloc says it owns the idea of a computer program checking a central server for authorization. It's a routine source code from Google that Meyer and many others plug in, simply allowing the app to confirm it was purchased legally. (www.cbsnews.com) More...