If you're one of the lucky ones who landed themselves a Google+ account, you might have felt a little less fortunate when your inbox was bombarded by repeated notifications. Vic Gundotra, the Goog's social mastermind, took to the fledgling service to apologize and explain what happened. Turns out the servers in charge of tracking notifications ran out of disk space for about 80 minutes -- causing them to repeatedly send and resend the same messages. In his Plus posting Gundotra admitted, "we didn't expect to hit these high thresholds so quickly, but we should have." Sure, it may have b