One. But he gets three hours credit.
A: 50: 3 to die trying, 1 to actually pull it off, and 46 other to say, "man, I could do that!"
One, but you can be sure a whole Reddit community will appear to expand the joke, make it funnier and eventually run it into the ground.
One, AND IT'S NOT FUNNY!
It was too bright in here anyway.
Click here to find out the answer.(http://www.reddit.com/r/Jokes/comments/2b57xv/howdoyoukeepanidiotbusyforhours/)
It had to carry the new Ghostbusters movie for almost two hours.