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Radio, TV, reading and music choices could give away who voters are set to support at election time.

Andrew Neil heard from Christian Fraser at the ´óÏó´«Ã½ touchscreen, before Nick Anstead from the London School of Economics, who specialises in political communication and new media, explained more about the research.

And there was reaction from pollster Deborah Mattinson, former pollster to Gordon Brown, who now runs Britain Thinks.