12 Ways Tech Companies Boost Creativity

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3M offers 15 percent time

3M's "15 percent time" actually predates Google's "20 percent time" by a few decades.

Back in 1974, one 3M scientist named Art Fry used his 15 percent time to put adhesive onto the back of a piece of paper.

That project went on to become the company's most iconic product -- the Post-it.