Parents have a lot of responsibility. Mainly, keep the kid alive. Next, try to raise a decent human being. And the messages about media and tech start almost from the moment they’re born: TV will rot your kid’s brain! Video games are evil! Kids don’t know how to have conversations anymore! It all boils down to the idea that too much media and tech will ruin your kid — or make them fat, dumb, and mean. But obviously, that’s an oversimplification. The truth is more complicated — and a lot less scary.