???¢?¢?€š?¬?…?€?I’m sure most of you have heard of Southwest Airlines’s cheap airfare notification system called DING! It’s a little program you download that sits in your taskbar and alerts you with Southwest’s famous in-flight *DING!* when a low fare pops up.???¢?¢?€š?¬?‚??
Link: http://www.gadling.com