Nike is going back to the future. The sneaker maker on Thursday said it has created a limited-edition shoe based on a glowing pair that appeared in the popular 1989 movie "Back to the Future II" The 2011 Nike Mag is designed to be an exact replica of the fictional sneaker, including a glowing Nike name on the strap. But unlike the movie version, these shoes won't lace themselves. (AP Photo/Nike)

Question: What brand of tennis shoe do you wear?