We are online since May 15th and have now 114 Members, but its real hard work to get members into your network. We mostly receive new members using winning contests of free tickets for events, winning contests are always a good way.
Somebody try anykind of partnership between two social ning networks, to make both site popular? I will be ready for such an experiment... Somebody to join?
A lot of people in today's world need instant gratification. When it comes to social networking building nothing is instant gratification. It takes mountains of time and personal dedication to make your site where you want to get it. Also, don't let and or assume other people will run it for you from the start. You HAVE to baby it.
At the very least a year of your personal time building up to greatness. A lot of critical review helps as well. Being able to change things on a fly also help. Change things up.
Right now a network I run is at 12,615 members.
Remember, it's not about the numbers. It's about connecting people together.
3 months. Today we are 13.000 members. Look: www.dikajob.com.br
We reached 1000 in just under 6 months, but our "club" has very high dues: You have to lose your partner to death. I ran a very similar group on FB that reached 1000 members in about 4 months, but then, the sign up was much simpler (though the "dues" were the same).
Our network has crossed 1400+ mark in less than a year now. You can see our network here: http://iwillstudy.com
You have to blend this with a lot of online/offline marketing.
Almost 15,000 now - started 13th Nov 2011
man, our site has been operating since august last year and we have yet to crack 200 members, I'm about to give up :(