Ever want to just see if you can connect to the internet without opening your computer? Ever want everyone else around you to know if they can catch a signal? ThinkGeek has this cool Wi-Fi Detecting T-Shirt on sale for $29.99 before our $5 off $25 coupon code 7JBB (expires 11/30) reduces it to only $24.99. The wireless detector glows when you hit a hot spot and shows changes in intensity. The glowing meter is removable for easy washing, as well.