I would say it's anyone who finds a creative way to use something in a new and interesting way. This may include producing an entirely new thing or simply rewor

I would say it's anyone who finds a creative way to use something in a new and interesting way. This may include producing an entirely new thing or simply reworking some other thing -- or combining lots of different things together to serve a new purpose. Traditionally it applies mostly to technology but I don't see that as a restriction to the term at all. The first guy who figured out you could chip flint stones into very sharp spears to hunt with was a hardcore hacker.