"EFF-Austin invites you to a talk by the Free Software Foundation Activist - Richard Stallman on 23rd April 2009 [...] The GNU General Public License (GPL) was the outcome of the need for a principal right to free software. What does the freedom mean, what are the foundations of the GNU GPL philosophy and how has it evolved since Richard Stallman wrote the first GNU GPL in 1989? In this talk, he will explain the need, benefits and intricacies involved in the 3rd and latest version of the GPL..."