It may or may not be relevant, but the board displays who is currently online. I (inexperienced player) would correlate I uptime with being mafia, so I turned it off for me, as have done at least 4 other people.
User Control Panel -> Board preferences -> Hide my online statusCode:
In total there are 10 users online :: 6 registered, 4 hidden and 0 guests (based on users active over the past 5 minutes)
Most users ever online was 29 on Sun Sep 29, 2013 10:44 pm
Registered users: abergal, andres, inisley, isaacg, lopezv, svolz