Anonymous Twitter t-shirt
Managed to get through the brief Twitter registration process, but got bored before it came time to upload an image? Show your Twitter anonymity with this T-shirt from ThinkGeek.
This o_O shirt displays the default icon that appears on new Twitter accounts. It's available right now in S, M, L, XL, XXL, and mighty XXXL sizes. It costs $16 - $18, plus shipping.