When Google Sites launched in February, it was part of the Google Apps group that targets enterprises large and small. Now, consumers can create a wiki Website using Google Sites, without the need to have their own domain.
Google Sites gives you a basic template to create a Website that can be edited by the public at large or a smaller group of people. Photos, widgets, videos, and other elements can be added. Here is a video showing what you can do:
[youtube http://www.youtube.com/watch?v=fD-4FRTzxkI]