Thursday, we posted the unveiling of the Nike Air Mag McFly shoe McFly wore in Back To The Future. Included is a video on behalf of Michael J Fox, The Michael J Fox Foundation, eBay and Nike, who have teamed up to help cure Parkinson's and auction off the most famous shoes never made. The first pair were auctioned off at $37,500 by British rapper, Tinie Tempah. Bid on the shoes today at Nikemag.ebay.com.