We have all heard of Wikipedia but what is a Wiki? Simple, a wiki is a website that allows the easy creation and editing of any number web pages via a web browser. Wikis are often used to create collaborative websites and to power community websites.  The following Youtube clip explains how they work:
Wiki books work in a similar manner. They were started as a project to host and build free textbooks.
And guess what? There is an IB Chemistry Wiki book – just click here to view it.
The important thing with Wiki’s is that you just don’t take – you give, so get involved, sign up, add a bit and improve the things that you feel could be better! Adapted from http://en.wikipedia.org/wiki/Wiki (4th March 2010)