Parliamentary consultation has gone online, as can be found in the work of the Select Committee. The first committees to try this are the Medical Care for the Armed Forces (Defence Committee), Local Government and the Draft Climate Change Bill.
As William Heath at The Ideal Government Project says: "It’s taken a while, and it’s a slow start... Parliament is where consultation can make a huge difference (even if a number of MPs Don’t Get It). This should be an essential medium for NGOs. If it’s helpful and unofficious, it could go far."
You can see more at TellParliament.net.
Parliament is also warming up to the idea of a petitions service, which is not a million miles away from the service on the Number 10 site, already up and running...