As of September 2, Panel Picker voting is closed. You can, however, still leave comments on the proposals you find interesting. We will announce the first set of accepted panels on Thursday, October 2. Stay tuned to the SXSW Interactive Festival website for these announcements, or e-mail us if you have questions.
It seems like every site on the Web is trying to build a community these days, but most end up building ghost towns instead. Executives from sites with some of the Web's most engaged users will lay out the techniques they used to build and sustain a community.