Ian A. wrote:So how about every time the "W.I.W.M." thing looms, having a competition to see who can be the first in with a posting saying "Canal!". Sort of C.G.com version of Mornington Crescent . . .

A bit like invoking Godwin's Law:-

As an online discussion grows longer, the probability of a comparison involving Nazis or Hitler (or in our case the probability of the question "WIWM" being asked) approaches 1 (i.e. certainty).

http://en.wikipedia.org/wiki/Godwin's_law

Henceforth to be know as "Anderson's Law" in our case?