Eben Moglen admits he is a "talker" and his performance during our brief 30-minute chat does nothing to persuade otherwise. The former general counsel to the Free Software Foundation was at the Red Hat Summit in San Diego on Thursday to put his considerable oratorical skills to use, updating attendees around the soon-to-be-launched third instalment of the GNU General Public License — a set of rules and restrictions that underpins the use of a lot of open-source software.