Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board! If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.
alanback: As a one-off it can tell me whether someone is online but not moving much. As part of a set of observations it can give indications as to their rate of play. I'd much prefer more comprehensive rate of play information but that's a different request.