12 Ways Tech Companies Boost Creativity

6 of 13

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.