GroupMe lets you effortlessly group text with the people in your lifethat are important to you. It’s your real-life network, in your pocket.It’s totally free and works on every phone.GroupMe was founded by Jared Hecht and Steve Martocci in the Summer of2010 and inspired by a project conceived at the TechCrunch Disrupt Hackathon.
via GroupMe: About.
It's my life, you're just along for the ride! 