My Blog http://arettasphotos.wordpress.com/
This course will become read-only in the near future. Tell us at community.p2pu.org if that is a problem.
You will need a place to compile notes/ideas as well as to promote your project(s). A few examples of free and easy to use/learn collaborative platforms include:
Wanted to share some free (and a few non-free) blogging or other easy webhosting options I threw together for an unconference in July:
http://www.blogger.com/ (got gmail?)
Almost a micro-blog: http://tumblr.com/ (free)
Free installation of Wordpress, Drupal, MediaWiki, and more.
http://www.typepad.com/ (trial, not free)