The i/o brush seems like an interesting blend of computer technology with a traditional medium. Kids point the brush at an interesting color or texture, and then they can "paint" it on an LCD screen. The brush hides a small camera for sampling objects to paint with.

I also think that a nice application of this technology would be for e-mailing grandma your kids latest work of art. A downside of this is that boys are likely to start sampling each other's faces. meta points out though that at least there won't be any messy paint for the teacher to cleanup.

(via engadget)
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