There's a new service in New York City that caters to the bar-hopping crowd. Called 'Dodgeball,' it allows you to broadcast your location to friends who have also signed up to use the service. As long as you're within a 10 block radius, your buddies can receive your headshot and your exact location.
Not that worthwhile for a relatively podunk town like the Springs, but intriguing nonetheless. The quest for the viral marketing holy grail continues.