There are certain things worth paying to upgrade: earbuds, perhaps, and maybe even Spotify. But when it comes to buying fancy 3D glasses for the sole purpose of looking cool in a pitch-black theater -- well, aren't we already spending enough on popcorn and Funyuns? EX3D doesn't seem to think so. Starting August 13th, moviegoers in San Diego will be able to trade in those freebies for fashion at a 3D glasses vending machine. At $22 - $30 a pop, these "affordable" and "stylish" glasses may be a boon for those who wouldn't
