There are tons of alternatives just none that your friends are on. Surprised no one has taken facebook's launch strategy. Only allow it in one school. Then o

There are tons of alternatives just none that your friends are on. Surprised no one has taken facebook's launch strategy. Only allow it in one school. Then only ivy league colleges. Then all colleges. Then everyone. Also allow you to import in your email contacts on signup. That strategy created press / word of mouth and kept it youthful until they were ready for the big launch.