The word moot is an archaic term meaning "argue, debate, discuss." In early English history, a moot was a meeting to discuss local affairs. Moot comes from the Old English gemot, meaning "meeting."
Maureen Johnson's blog and tweets are always worthy of your time, but this account of her dinner with Justine Larbalestier and Scott Westerfeld is possibly, one of the funniest, laugh-out-loud things I have read in a long time.