Google + Badges

[Clarkekynt7]

This is very similar to Facebook like button, and is becoming ubiquitous on the web. It also has its own version of facepile that shows picture of people following.

 

[CalvinNobby]

Google thinking seems to be that by utilizing its product, customers will begin to believe in Google more than the actual vendor. And by managing the buyer on vendor internet sites, along with an extremely easy check out process.