You Should Start a Wiki...
They are Dead Easy!!
What's a Wiki
A wiki is a simple way of presenting large amounts of information on the internet and allowing others to view and add to that information.
One the most used wiki's in the world is Wikipedia, which is edited by the public.
Wikispaces is the Easiest Way
All you do is click and type! Too easy to be true, then invite your colleagues and you will have yourself a working wiki!!