What irritates you most about modern life? Impersonal, incompetent call centres, perhaps? Or slippery, untrustworthy estate agents? Well, this series sets out to pinpoint the people the nation's consumers hate most. The selection has already been narrowed down, by public vote, and presenter Matt Allwright tonight reveals our top 10 irritations. Then each of the contenders will get a show devoted to their awfulness, before a final play-off.