Damn, this author really doesn't listen to a lot of music. Greg Gillis has become the poster child for mashups, but mashups had been a part of the cultural zeitgeist for a long time before Girl Talk was discovered.<p>Just one famous example: <a href="http://en.wikipedia.org/wiki/The_Grey_Album" rel="nofollow">http://en.wikipedia.org/wiki/The_Grey_Album</a><p>This is to say nothing of all the heavy sampling in EDM in the last decade plus.