On: 37Signals to retire OpenID for logins on May 1

[jdp23]

For any individual company, economics favor a proprietary single sign-on (37signals ID).

OpenID was not successful in changing that equation.

RPX, by contrast, appears to have done so successfully for a lot of people.

[jackolas → jdp23]

http://www.janrain.com/products/engage

Looks like they renamed it... seems proprietary?