Roger's description:

"We will be: Talking about goals and trying to revive the goals spreadsheet Discussing several posts on Givewell's blog about political advocacy as effective altruism And (if people have them) telling Haloween stories, as per this thread (a bit late, I know, but why not?):" http://lesswrong.com/lw/iyb/halloween_thread_rationalists_horrors/