May 31, 2010 — Boone Gorges demonstrates the new built-in multisite functionality of WordPress 3.0 to the WordPress NYC Meetup audience.

Slides for this presentation are available here.

Video provided by Punkcast.

May 29, 2010 — Masaaki Komori: Faster WordPress – Optimizing Display Performance
presentation at WordCamp Yokohama 2010 in Japanese
「WordPressをより高速に。～表示パフォーマンスの高速化～」 こもりまさあき さん
プレゼンテーション ワードキャンプ横浜2010 ＜日本語音声＞

Video Recording by Hideaki Nire 仁礼英銘
Video Editing & Upload by Atsushi Ogisawa 荻澤篤志 （ CMS Solutions K.K. ）

May 28, 2010 — Steve Bruner showcases new aspects of customization available in the upcoming WordPress 3.0 release, including custom post types and the new menu management feature, using the new default Twenty Ten theme as an example.

Video provided by Punkcast.

May 15, 2010 — Frederick Townes from Mashable discusses what to do when you run into a problem developing an engaging user experience. Understand the techniques that prevent your users from spending more time on your site or from getting a small boost in sales or rankings. Learn how performance is a building block for success with practical examples in this keynote presentation from WordCamp Denmark.

Slides for this presentation are available here.

May 1, 2010 — Stephan Spencer shows techniques and pointers for optimizing WordPress for search engines in this lightning session.

May 1, 2010 — Are you developing a WordPress theme? Yoav Farhi from Automattic teaches you the basics of right-to-left language support in seven minutes in this lightning session.

Video provided by Blaze Streaming Media.

May 1, 2010 — Allan Cole gives a brief introduction to child themes and explains their benefits and advantages in this lightning session.

Video provided by Blaze Streaming Media.

May 1, 2010 — Dan Milward of GetShopped.org gives an introduction to the WP E-Commerce plugin, a look into future updates, and a sneak peek at the new WordPress Shop, running WordPress 3.0 and the newest version of WP E-Commerce.

Video provided by Blaze Streaming Media.

May 1, 2010 — Jane Wells uses real examples to demonstrate how to best design your WordPress user experiences to mesh with those of the core software and fulfill the expectations of your users.

Video provided by Blaze Streaming Media.

May 1, 2010 — Mitcho Erlewine discusses avoiding programming disasters by properly abstracting the code you write and how you can make sure to write code both you and others can reuse in the future.

Video provided by Blaze Streaming Media.