Scrolling LED Shirt
I have seen a lot of things with LEDs built into them, belt buckles, dog tags, even name tags (like the "Hello my name is" ones). But building that same tech directly into a t-shirt is a new one.
Sure enough it's been don't though, and so long as you fit into a shirt ranging from sizes small through XL and have $40 plus shipping and taxes, you can have one. You can program up to 6 messages on it too.
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The first message can be up to 512 characters, all subsequent messages have to be 256 characters or less. Personally, if I had one, lets just say I could come up with a lot of things better than "Hello" to say on it.
Scrolling LED Computer T-Shirt [via chipchick]