by Matt Haughey
As the founder of Metafilter.com, Matt Haughey has created one of the most successful and vibrant online communities in the world. At Gel 2010 he describes some of the lessons he's learned along the way.
by Salman Khan
What started as algebra lessons for his cousins has turned into a world-changing project. Hundreds of thousands of users worldwide have benefited from Sal Khan's friendly, accessible Youtube videos explaining math, science, and other subjects.
Sal has a vision of teaching the entire world, for free. His not-for-profit Khan Academy has the mission of "providing a high quality education to anyone, anywhere." In this outstanding Gel video, Sal describes the elements of the good experience he's trying to create.
29th–30th April 2010