September 20, 2009 — Will Norris talks about some of the common pitfalls and mistakes made when constructing plugins, including security and usability concerns and how to efficiently and cleanly create your code. Includes code examples of both what to do and what not to do.

Video production by Joe Christensen of Blaze Streaming Media.

September 19, 2009 — Matt Mullenweg of Automattic answers questions from the WordPress community, including making money from open source products, migrating from WordPress.com to WordPress.org, the history of WordPress, the roles system in WordPress, core vs. plugins, blog comments, WordPress security, and more.

Video production by Joe Christensen of Blaze Streaming Media.

July 11, 2009 — Brad Williams talks about how to keep your WordPress-powered website secure from hackers and exploits.

Slides from the presentation are available here.

Video Production by Arthur Cormon of TV McGill.