The document discusses how to properly license open source software to avoid legal issues. It recommends: 1) picking the right license for your project; 2) including attribution, license notices, and the full text of the license in your source code; and 3) using a contributor license agreement to assign copyrights of contributions to the project owner. Failure to follow proper licensing can result in losing control of your code, patents, trade secrets or even your company to legal issues. The presentation provides tips and examples of how to properly implement licensing.