Online news: readers move from newspapers to tablet PCs

More newspapers and magazines are moving online - some behind a paywall - and rumours are circulating that The Guardian could be one of the next to ditch its paper-based publication.

Boris Johnson has written about the claims, which the daily newspaper has denied, and called for the printed version to be saved.

Giles Dilnot looked at changing tastes in reading and publishing on both sites of the Atlantic, as more people read online and fewer head to the shops to buy paper copies.

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