I'll have to say that it was very helpful to do this exercise to understand how Wikis work. I followed the instructions and used the syntax:
[http://knittingAura.blogspot.com |knittingDiva] to add my blog address to the Peanut Butter wiki. I also edited the different pages to write about my favorites (restaurants, music, TV shows, websites. I have added this wiki to my Del.icio.us so I can easily go back to play around.