Uses rb-appscript and the ubiquitous curl to post your current listening nugget to the grotesquely popular twitter.com
rb-appscript gem (primarily b/c rubyosa bombed like a mother for me)
curl (it goes good with pecan sandies as well as URLs)
Directions to the nearest pub
Set user and passwd in the script and you're off and running.
Take a left at Albuquerque.