You can click on the Google or Yahoo buttons to sign-in with these identity providers,
or you just type your identity uri and click on the little login button.
seen in cw 3.9/cwo (likely cw 3.9 related)
in fact the whole instance was running out of pools
Ticket #1193223 - latest update on 2010/07/20, created on 2010/07/20 by Aurelien Campeas