Painter David Hockney reveals new medium -- his iPhone

"Whoever would have thought that the telephone would bring back drawing?" the 71-year-old said, adding that the trick to making it work was to "stroke the screen very softly."
Hockney -- considered one of the best artists of his generation -- said improvements in technology meant computers were now responsive enough to allow artists to draw as freely as they would on a page.
A collection of new works he has created on his computer, entitled "Drawing In A Printing Machine" and including 10 landscapes and 18 portraits, is on show at London's Annely Juda gallery until July 11.
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