Things that make you go hmmm

• Places where the User is currently logged in (XAuth)
• Places where the User has logged in in the past (SAML CDC)
• Places where the User might want to log in (XRD, SAML DS)
• Places where the User stores attributes of certain type (XRD, ID-WSF DS)
• Places where you can get a good poutine in San Francisco (nil)