The mainstream media doesn’t understand what a Mashup is. You should. It’s not a ‘lift’ or a ‘copy’ or even a parody. A mashup is a distinct way of spreading ideas.
When a DJ takes two records and melds and mixes them into something new, that’s a mashup. When an Obama supporter takes a twenty year old commercial and splices it with some campaign footage, that’s a mashup too. Online services can be mashups as well, like the Google search box on the bottom of this page.
Expect to see tens of thousands more, on every conceivable topic.