Jonathan is talking at the upcoming iPhone iPad Devcon in Boston from April 4 through 6. He is also teaching a full day class with Jonathan Blocksom on Augmented Reality!

The latest version of the slides for the Augmented Reality Full day class is here. (Last Mod: 20110314)

There will be a whole packet of code and other goodness given out on the day of the class.

The latest version of the Open Source UI talk is here. (Last Mod: 20110314)

The latest version of the Caching and performance talk is here. (Last Mod: 20110314)

The latest version of the touchengine talk is here. (Last Mod: 20110314)