Rather recently people have figured out some ways to make YouTube display H.246 video on the site. That method is to add “&fmt=18” to the end of the URL. That works well, but wouldn’t it be better if it could be done with a simple click? For all those who don’t use addons like Greasemonkey or the like, a bookmarklet would be ideal.
Drag the following link up to your bookmarks bar:
Update 4.18.08: Wow, the code in the script got eaten by my post, it is now fixed and does actually work.