Start by explaining the niche and why users are going to go to the site to begin with. A networking site typically starts with almost zero nodes, so there has

Start by explaining the niche and why users are going to go to the site to begin with. A networking site typically starts with almost zero nodes, so there has to be something to get the initial crowd there and buzzing. MySpace started by being a place for bands to showcase their music. The social network grew around the music. It's similar to the way an Opera House is a place to stage a show, but eventually turns into a place for people to go on dates, meet people, and show off. People will sometimes show up and barely notice the performance. MySpace is probably more like a collection of bars than an Opera house.