http://paul-kemble.tripod.com/sound4d.html — Paranormal audio.
1. Buy lots of pretty wire.
2. Make up some inflated technobabble claims about how it makes your hi-fi much more hi-fi than other folks' not-so-pretty wire.
3. Sell lots of pretty wire for grossly-inflated prices to audiophools.
4. PROFIT!
World's best get-rich-quick scheme?