Looks like technology in search of a purpose to me. ThinkGeek has developed a T-Shirt, available only in black so far, that has a glowing decal on the front with bars to indicate Wi-Fi signal strength. It runs on three AAA batteries and can be machine-washed, though it must be hung out to dry. The decal and batteries, obviously, need to be removed before washing. It looks like an interesting idea, but it doesn’t provide much information, such as encryption status or access control; it only measures signal strength. I think I’ll wait until v2 (or v3) before getting one.
A Wi-Fi-Finding Shirt
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