This T-shirt with the LED display is no joke. When someone has the passion and patience and intelligence, loads of LED displays, access to the required electronics and the capability to amaze and amuse people, you obviously get to see things like this being built!

David Forbes, an electrical engineer has used his creative skills to assemble this Wearable Television that involves customized display boards, circuits, batteries, iPod and even speakers! For details and manufacturing costs you should read the amazing story at Popsci.