See the link below for an example of Google+ ripples
Few of us have the kind of following that Brin does, but it's still fun to look at the ripples caused by an update. It's also an excellent example of how visualization can help everyone explore the burgeoning amount data that is generated by their social activities online. This is something Facebook has begun to explore with its new Timeline feature.
It's also a clever way to boost engagement and interaction on Google+, which has seen a drop off in activity after the early surge that followed its launch.