in reply to Re^2: A request from level 21
in thread A request from level 21
It's not only possible, but it could be done with the addition of a new column in the nodes table and a script run in the background. I couldn't code it up, but from what I know of the guts of Perlmonks, that's all it would take.
Remember - jcwren's graphing thing does history, so the information is there.