It must be because you already opted out of +1's It was blank for me too. http://www.engadget.com/2013/10/11/google-users-shared-endorsements-ads/ http://www.

It must be because you already opted out of +1's It was blank for me too. http://www.engadget.com/2013/10/11/google-users-shared-endorsements-ads/ http://www.engadget.com/2013/10/11/google-users-shared-endor...