In this episode, Shawn and Ross look at the latest moves in the self-driving car space as Elon Musk says Tesla is close to perfecting fully autonomous cars in the wake of Amazon buying startup Zoox. Next, we look at the potential for a subscription-based Twitter and how that social network's latest moves contrast with Facebook's. Finally, as Nvidia passes Intel's market cap, we take a look at the initial benchmarks at the chips that will be powering the next generation of Macs.