Entitled Who knows who,it shows who is connected to who in public life perhaps rather like a public linkedin site.
Top of the list and following on from their docy drama about Boris and Dave are those two charactors.
David Cameron has 66 connections so far on the site for example.
Channel 4 says that
We hope that it will reveal the surprising and often hidden stories behind the headlines. This is the first iteration of an ongoing process to develop this tool to be rich in content and functionality and over time build the biggest network of connections in the UK.