Interesting post, makes perfect sense, great observations.
Since the arrival of Google Plus, marketing analysts all over the Web have had a lot to say about the potential implications of the new social network.
Relevant, Highly Targeted Advertising With Google Plus, Google is poised to fuse search intent (what traditional search engine advertising is based on) and user behavior (social indicators from users). But with Google Plus there is a lot of new potential for extremely specific targeting based on user-submitted data, too.
As Michael McEuen noted, search engine advertising on Google is a good way to “target user search intent and content on websites, but there is a lot of grey area to know for certainty that you are truly reaching your intended audience.”
One of the major advantages of advertising on Facebook, one of the most popular social networks, is the ability to zoom in on the ideal consumer by age, gender, location, or other details users provide in their profiles. While there is currently no advertising on Google Plus, many analysts are quick to point out that the abundance of user data may signal big marketing opportunities.