4chan already regularly troll google search results by mass-searching for a specific, disturbing sentence. This seems like another tool in their arsenal.
Not saying Google should let bullies dictate their behaviour, but this _could_ be abused.
Not saying Google should let bullies dictate their behaviour, but this _could_ be abused.
The value to the SEO underworld depends on how Google interprets the +1.
Google can use +1 data to identify folks trying to game the system.
The easiest way to get around said identification, or rather, to keep Google from using your +1 to hose you, is to provide good data.
Since Google wants good data .....
I imagine Google will manage some sort of defense, though. This feature could kill their product otherwise.