It's hard to service that request because social networks are closed source and most research into webs of trust is academic. Take email; there's an ad-hoc web-

It's hard to service that request because social networks are closed source and most research into webs of trust is academic. Take email; there's an ad-hoc web-of-trust out there, but it's federated amongst a number of actors. I agree we need something open, but the incentives to make one don't exist.