Wow, they just did this on the 12th, looks like they're going for round #2!

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They will be giving away 10,000 free pairs of eyeglasses with lenses included on November 18, 2010 at 12:01 PM EST. "Like" them on Facebook to get the code to redeem. | Facebook

Shipping and handling applies. Some frames may not be eligible. Limit 1 per household. Previous free glasses recipients excluded.