UPDATE 10/21, 3:06 p.m.: Michael J. Fox just showed off the new, presumably self-lacing version of the Nike MAG for the first time ever via the Twitter account of his Michael J. Fox Foundation.

The Nike Air MAG didn't just appear out of nowhere — there's a backstory behind what everyone is in a frenzy for today. Back to the Future 2 created the hype in 1989 when Michael J. Fox's Marty ...

In this video I am trading a penny to a Nike Air Mag in 1 week. This is a new ConnorTV trade up challenge where what ever I trade i one week I am going to give it away to one of you. In this ...