I am not surprised that they are copying existing successes--it happens all throughout the internet. And expanding to apps makes sense when FB's news feed no l

I am not surprised that they are copying existing successes--it happens all throughout the internet. And expanding to apps makes sense when FB's news feed no longer becomes profitable. There are a lot of mobile companies pumping a lot of dollars into FB mobile app install ads for a reason. FB definitely still has value to add.