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Showing posts with label invention. Show all posts
Showing posts with label invention. Show all posts
Thursday, April 8, 2010
I didn't keep track of what Tumbler I found the top one at, but the bottom is from a great idea at http://www.ted.com/
I didn't keep track of what Tumbler I found the top one at, but the bottom is from a great idea at http://www.ted.com/
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