Google has announced a major update in its Terms of Service. As from November 11, the name and picture of Google profiles will appear below some promotional content (shared endorsements.).
Google already make use of the individual recommendations to customize the search experience of its users through its various services: Search engine, Google Play Music, etc. .
When making searches, users will see the content promoted by their Google Plus contacts, through:
comments and reviews.
Subscription to the Google + pages of a particular service or products.
Upon sharing a recommendation, the name and picture associated with a Google Account can for example may appear in text ads displayed in the search results pages of Google, Google Street View (reviews on small businesses ) or Google Shopping (product reviews).
How to prevent your username and photo (Google +) from being displayed in the "Shared Endorsements":