"Following the recent iGoogle launch, today we announced new gadgets from MySpace, AOL, and Google Book Search. Users can read, manage, and compose AOL Mail messages, see their updates and inbox from MySpace , and manage their Google Book Search library collection. To make this happen, the iGoogle team implemented a new authentication feature for gadgets called the OAuth Proxy."

http://contentcentral.blogspot.com/2008/11/share-information-securely-with-your.html