Took long enough. The next step will be adding a Google+ integrated commenting system. But why? Attention (which is Google's main product) is now captivated b

Took long enough. The next step will be adding a Google+ integrated commenting system. But why? Attention (which is Google's main product) is now captivated by the social networks. Google must adapt or lose market share. What is interesting is how they have not been able to really break into social. What about Google makes it so difficult for them to do just that?