They've stopped the invites. In fact, they essentially revoked invitations ... i.e. people I invited last night couldn't use their invitation email this morning.
Is that true? I was under the impression that the invites were not guaranteed and there was some sort of rate limit on the number of invites that were allowed to create Google+ accounts. I think your invitees can retry after sometime.
Yes, just retry.
Re:So You Got a Google+ Invite... now what?
by mattdeboard on Thursday June 30, 2011 @04:08PM
(#2715538)
They didn't "essentially revoke" invitations. They capped new "account creation" (though obv it's not literally account creation). That is a separate step from inviting someone. People with invites have invites, so when they open it back up, people with invites already in hand will be at the front of the line.
I also find it funny that people were using Facebook's wall to distribute Google+ invites to their friends. And I always thought that seeding a social network was hard :-p