# Tweet by [@keefmoon](http://twitter.com/keefmoon) on 2010-05-08 16:35:49 > [!INFO] Archived from [original tweet](http://twitter.com/keefmoon/status/13617438862) At OAuth/XAuth discussion at #warblecamp RPX Now interesting for single sign-on https://rpxnow.com/ cc: @aral