I remember
seeing a website a few years ago which featured some german firm that had done a deal to display messages from your mobile in this way. You could play 'tennis' too. I've probably still got the URL somewhere...
edit - check this out
www.blinkenlights.de/gallery/index.en.html
( ,
Wed 3 Mar 2004, 21:55,
archived)
edit - check this out
www.blinkenlights.de/gallery/index.en.html