UMAtarians, I have finally caught up to all of you founders, and I am seeing the benefit of using UMA for federated identity (not just federated authorization). I've created a new project to just sketch out some of my ideas: http://www.gluu.co/oauth-identity I'm trying to gather feedback to see if this idea has any merit or would be worth the effort to undertake... Please send me email directly unless you think it would relevant for the whole list. thx, Mike