It’s not often that multibillion-dollar tech companies take to the internet to throw elbows at each other, at least without hiring outside PR to do it on the sly. Watching it unfold in public is a little like watching a big family meltdown at a restaurant: Harsh words turn from whispers to shouts, secrets are dredged up, and eventually the teenager storms out the door, stopping only to let everyone know how much she hates them for doing this to her and that she’ll be walking home alone.