Up to 4 July, we’ll be looking at how the election is unfolding on social media feeds up and down the country.On this episode of Newscast, Disinformation and Social Media Correspondent Marianna Spring joins Adam to explain how.Using data from the National Centre for Social Research, she’s set up fictional social media profiles for twenty four undercover voters based in eight constituencies around the UK. They’ll give us an insight into voters' digital worlds up to the election, and Marianna will help us understand how what happens there could change what happens in the ballot box. Newscast brings you daily analysis of the latest political news stories from the BBC. It was presented by Adam Fleming. It was made by Chris Gray with Gemma Roper. George Dabby and Cordelia Hemming are the Undercover Voter producers. The technical producer is Mike Regaard. The assistant editor is Chris Gray. The editor is Sam Bonham.