RealD Will Certify Your 3-D Sunglasses, For a Price

When you saw Avatar, I'm sure you remember the clunky, coke-framed 3-D shades you had to wear--you know, the ones with the RealD label that pinched your nose throughout James Cameron's three-and-a-half hour epic. RealD, the company behind most theaters' digital projection technology, distributes these free plastic-wrapped shades before each showing. However, eyewear companies such as Look3D and Marchon are moving in on the 3-D glasses market, creating stylish shades for retail. But that's...