From [[https://en.wikipedia.org/wiki/BitTorrent_(protocol)]]: 
  BitTorrent is a peer-to-peer file sharing protocol used for distributing large amounts of data over the Internet.

=== Summary ===
[[NeedsUpdate|To be expounded upon]]! -- DanRasmussen <<Date(2012-03-10T12:40:33-0800)>>
 * Used for legitimate purposes, not just illegal ones
 * Some mention of using it responsibly? Rate limiting? What's appropriate?