$29.99 from Think Geek Yesss. This is without a doubt, the tour-de-force of geek apparel. A dynamically changing wireless signal detector built into a stylish shirt. Never open your laptop in a non-wifi area again! Just take a look at your chest! This is kind of like what you would wear if you were a combination of Superman (the S shirt), Batman (the Bat Signal), and Bill Gates (the geeky part). tis is the part of descriptive computer technology.