Just because you didn’t get to go to that awesome conference doesn’t mean that you can’t still watch the lectures! Each weekend, we’ll feature a recommended web development lecture on Nettuts+.
Stoyan Stefanov is a Yahoo! web developer and an author, contributor, and tech reviewer of various O'Reilly books. He speaks regularly about web development topics at conferences and on his blog at www.phpied.com. Stoyan is the creator of the smush.it image optimization tool, YUI contributor and architect of Yahoo's performance optimization tool YSlow 2.0.