Short description of T-Minus Countdown Clock 5.0: A software program for your PC that's fun and easy to use. This software sits on your desktop so you can monitor the time until your special event. Attach a countdown your e-mails. Optional sound effects during count down or at finish. Display multiple countdowns simultaneously. You can even count-up from a date -- such as time since a baby's birth. You can even add a countdown to the bottom of your outgoing e-mails.