Microcosm - 2nd Seedrs crowd-funding round

Hmm, never heard of Ning. I wonder if you could get away with 2 lines - a pure blue-sky strapline such as building communities, online (or like tumblr, for forums), and then a more descriptive one like this wiki para:

Ning is an online platform for people and organizations to create custom social networks, launched in October 2005.