One of my roles in life is clearly to subvert any telecommunications system and turn it into a platform for playing games.
We've done twiku. Now it's Mornington Crescent on twitter.
You know it makes sense.
If you have no idea what the hell I'm talking about, you should consult NF Stovold’s Mornington Crescent: Rules and Origins, which makes everything clear. Don't get the Graeme Garden edition, it's been substantially rewritten. Get hold of an earlier edition if you can.