By fastlane on 2009-09-05 

Siftables are the building blocks of the future.
Siftables are cookie-sized computerized tiles that you can shuffle and stack in your hands. Siftables are the building blocks of the future that think; the tiles acknowledge and comprehend each other.
Siftables do math, communicate and play music. See the presentation by David Merrill at www.ted.com.
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