Nobody likes to think that their actions, interests and expressions on a fun, social network like Google+ might be diverted into the database of some giant advertising firm and used to push them products. But, when you get right down to it, that s how Google makes money. Rather than stick your head in the sand, get smart and review Google’s five point list of Privacy Principles. It begins with a promise (or admission) that the company will Use information to provide [their] users with valuable products and services
Source: https://threatpost.com/targeted-advertisements-get-used-to-them/91845/