You can take part for any number of days, and you will find a list of topics here: http://forum.civicrm.org/index.php/topic,26393.0.html. Please add the topics you are interested in! We will work on code, documentation, quality assurance testing, and usability.
Joe, Louis-Charles, Alan, Kasia
158 Pearl St.
Toronto, Ontario M5H 1L3