Why doesn't twitter include the user's email address in the account/
verify_credentials API?
Facebook offers this with their graph API.
Yahoo, Google, and others offer it via OpenID/AX.
It seems like such a useful attribute - eg. for 1-click self
registration into websites, auto subscription to
Thanks for the reply Ken. I understand all you have said, but the real
power of protocols like OAuth is user consent of their own attribute
data. My entire goal is to *avoid* having to ask a user to re-enter
their emal address. In this particular use case minimally invasive
is eqivalent to
