Via one of the Cork Mafia (Walter Higgins) comes a simple idea which allows you to bask in your own popularity.
1. Go to http://sxoop.com/twitter/mosaic.pl
2. Enter your twitter username
3. Order a mug or tshirt bearing the faces of everyone who reads what you write
ooh - and as one reviewer pointed out yesterday this is a lovely idea which could spawn variants across many social networks.
You can see underneath the people who follow me on Twitter.