"There is a huge tradition of community cookbooks, but none of them are user vetted," says Hesser.
In terms of safety, Ridejoy's procedures have generally relied on users vetting other drivers and passengers through social networks (Wang tells us that 75percentt of users sign on via Facebook), along with user reviews and references.
Ridejoy's current safety procedures rely mainly on users' vetting of each other through social networks, using Facebook authentication, user reviews and references and a safety checklist sent to users.
In frequent postings, its users vet listings, trade tips on brokers and neighborhoods, and gossip about who saw what at which open house.
Siilo says every user gets vetted.
Sitting alongside his counterparts at Google and Twitter, Facebook General Counsel Colin Stretch parried Kennedy's questions about how Facebook handles user data, vets its 5 million monthly advertisers, and polices content on its platform.
Later that year, the team built a Google Chrome extension, botcheck.me, which adds a clickable button to Twitter profiles, enabling users to vet whether the handle is run by an actual person.
This quality index could be a composite of power users' reviews (vetted by Apple) and trusted third-party reviews.
And then via a follow up pre-approval process, in which it asks users to vet all potential dates.
