Computers and freedom
Free Software (#FLOSS) Business Models ?
How to Become a Hacker (in the 21st century)?
The Four Letters of FLOSS: DOCS
Emacs Org-mode at the GNU Hackers Meeting 2011
How to grow a local grassroot? OLPC France
Emacs Org-mode at FOSDEM 2011
The ICT revolution in education hasn’t happened yet
Web and Education: What Really Matters?