PubSubHubbub at Google

A list of places where PubSubHubbub could be used in Google products and the current status, if any...

Product	Role	Status	Notes
Feedburner	pub	done	All burned feeds with are now pinging the reference hub.
Blogger	pub	95% done	Live in production!
Google Alerts	pub	open	the RSS feeds that you can create from http://www.google.com/alerts
YouTube	pub	open	uploads, favorites, etc...
PicasaWeb	pub	open	new photos (is there an Atom feed?)