Well, it’s not news that Google+ was lauched to make a direct battle with Facebook. Leaving the user choose circle as main feature, Google+ try to invest in the most weakness part of Facebook: privacy. But in few months the Facebook launch a series of features that make a significant improvement in the way the friends network are related. Between it there’s a killer feature: News feeds improvements. This way the Mark Zuckerberg social network not just cover what the Google+ main feature does: control friends network in usual groups, they gone besides that, they detect your behaviour to define for default the groups of friends and the probably close friends! one step further of course.