Reputation Driven Social Network
The idea behind this invention is to make people accountable. After considerable research a basic rule for membership is that you must personally know and vouch for the person you allow to join the network and be able to prove their age, sex and identity or risk being expelled.
Someone who breaks the network rules not only jeopardizes their own membership but also the membership of the person that helped them join. In extreme cases such as pedophilia everyone associated with allowing that person onto the network would be questioned as to their suitability for membership.