If you haven't been watching Kirby Ferguson's video series, Everything is a Remix, go watch it now. The highly intelligent and well-researched series challenges modern views of creativity by pointing out that nearly all critically-lauded works are built upon the foundations of works that preceded them.
For the third video in the series, Ferguson offers up a great modern-day example: the Mac. It's a well-known bit of computing lore that much of the innovations of the original Mac OS drew inspiration from work done at Xerox, but Ferguson goes one step farther and points out the inventions and ideas that