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Sky has started to trial its #WatchOnSky tool on Twitter, which lets customers watch or record TV programmes by simply clicking icons contained within a tweet.
Sir Martin Sorrell, chief executive of WPP, has called attempts by rival holding groups, Omnicom Media Group and Publicis Groupe to form a "merger of equals", simply not possible.
Pizza Hut is the best brand at building and maintaining social media relationships with the UK's youth, followed by high-street bakery chain Greggs, according to social media agency Headstream.