Well I got through Week 4 things 8 and 9 all about Wikis .Opened my wikispace account and made my contribution to 23 Things @ SPD wiki..At the start found all the  information about wikis a bit complicated but I persevered and eventually got to understand  how it works.Checked out National Library of Australia and Princeton Public Library and I can see how wikis can work in libraries.I have to say I did not enjoy this task nobody fault except my own.