Facebook’s blow-the-roof off earnings report shows that it has figured out mobile, and is set to dominate the mobile ad world. So how did that happen, and what comes next? Plus, in its latest earnings report, automaker GM has revealed that it expects to spend between $400 million and $600 million to compensate victims of its defective ignition switches. We consider the company’s strategy in handling its massive recall. Also, Twitter released its diversity statistics yesterday. Not surprisingly, they were as dismal as those at Google, Facebook and other tech companies. So now that they know the scope of the problem, what are these companies doing to address it?