Excel­lent idea. Gonna inte­grate this into a plu­gin: http://​www​.nde​sign​-stu​dio​.com/​b​l​o​g​/​w​o​r​d​p​r​e​s​s​-​s​h​o​r​t​-​u​r​l​-​f​o​r​-​t​w​i​t​ter