On Fri, 15 Feb 2008 08:27:17 +0000, David Hansen
wrote:

On Fri, 15 Feb 2008 00:35:02 +0000 someone who may be Tom Anderson
wrote this:-

There will also be some people who for bizarre reasons not worth going
into think that the symbol pronounced "pound" is a noughts-and-crosses
grid.

Astounding! As any fule know, this is called the octothorpe.

I call it a square.

As used previously on 1970s UK telephone keypads.