which makes it possible to do esme hancock announced that the afternoon in his briefing. be like detectives and find what the cases are. —— —— what matt hancock announced this afternoon. the contact traces will have to rely very heavily on members of the public. one to follow the guidelines to self—isolate come and to remember who they have any contact with. he has. this one of the shortcomings of this sort of approach. that is really they were coming from where the app was concerned. that is the gap the app will actually feel. obviously there are will actually feel. obviously there a re co nta cts will actually feel. obviously there are contacts that you know, context you can remember, because if you test positive, today, tomorrow you will start getting contacted by this army of contact traces and they will be asking you who have you had contact with during the period you have been effective. if you cannot remember, or you just don't know who you had contact with them a good example of this if you took public transport, yet potentially had contact with all the people ther