Someone with technical expertise, please write an introduction that makes sense to people who don't already know what this is. Durova 07:33, 6 December 2005 (UTC)
- I've tried to clean it up and add a little more detail - tell me if that's any better, and what you would like to see explained in more detail if you get the chance and I'll see if I can expand it further. Leland McInnes 08:20, 8 December 2005 (UTC)