There has been an electronic revolution in television news. It has affected the way news is gathered, presented and edited.
"Horizon" follows BBCtv news teams at home and abroad for just one day, to see how the new technology works: in the studio with Sue Lawley; at the White House with Tim Sebastian ; in the newsroom with the editors. How is the new technology changing the news you see on your screen? When Tuesday 22 March started, it looked like being an ordinary newsday. It didn't turn out that way.
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