http://talks.php.net/show/hack08

http://hackday.developer.yahoo.com

http://developer.yahoo.com/yui

http://developer.yahoo.com/maps

http://hackday.developer.yahoo.com/searchmonkey

http://hackday.developer.yahoo.com/fireeagle

http://hackday.developer.yahoo.com/social/socialdir

http://hackday.developer.yahoo.com/yql