First, humankind mastered fire. Everything that came next? Skip it. All that matters is the now, because now is the time of Dwayne Johnson’s YouTube channel. The Rock first announced Seven Bucks Digital Studios last month. Now Johnson has released a teaser for the channel, and it’s as groundbreaking, as earth-shattering, and as tremor-inducing as anything blessed by pure sediment was bound to be. In the video, Johnson says he is ready to “change the gameâ€Â — but first he just has a quick call to put in to the president of the internet. Mr. Gore? You’re going to want to get that.