Voters across the country who have not yet decided whose box in which to place their ballot were watching tonight's leaders' debate in earnest, hoping for help in making up their minds.
The polling team at Comres identified six such groups to help ITV News monitor reactions to what was said during the two-hour event.
Political correspondent Libby Wiener was watching them as they watched the debate:
Last night there wasn't one particular knockout blow but the political landscape in Britain does seem to be shifting.
Another day on the election trail and the campaign catchphrase is starting to bite.
Leaders' Debate shows was how our political horizon has suddenly changed as smaller parties did all they could to make themselves heard.