Starting this Friday, Google sent out a terms of service update specifically around how Google will display your details and information in their content and ads. This is part of the "Shared Endorsements" change, which Google really has not published much detail over, except on an FAQ page over here.
Searchers are given notice of this change on the top blue bar on Google's home page and on their Google+ notification center and possibly also via email.
Here is the home page:
Here is the Google+ notification:
In short, Google can use your picture or name and the places you've been online, shared, +1ed, etc within their ads.
Here is how that may look:
Don't like that your information will be on Google ads? You can opt out at the bottom of the page over here.
Danny Sullivan has more details over here.