Want to make your own Digg? Or Del.Icio.Us? How about making a Hot or Not for goldfish? Or even a Craigs List? Well this site lets you make all of them using there excellent sandbox!
“Ning is a free online service (or, as we like to call it, a Playground) for building social applications. Social apps enable anyone to match, transact, and communicate with other people. With Ning, you can build and use social apps for just about anything.
Since we are a new service, we thought we’d tell you more about who is behind Ning and why we’re doing it.”
Hem, interesting, it founded by Marc Andreessen and others. If he is the Netspace’s one, i believe i must read more about it.
Try it by yourself @ http://www.ning.com/