Prisma: ‘Edvard Munch did not have a “Munch filter” in his brain’

Its makers reckon it can turn any old snap into a masterpiece in the style of Picasso or Hokusai. A Guardian art critic thinks otherwise ...In any city that is famous for its art you will find shops, claiming to be galleries, that sell godawful kitsch sunset scenes, ripoffs of graffiti art, sub-Warholian celebrity portraits and whatever else they think tourists might mistake for modern art. Now you, too, can create “art” like that. Prisma takes perfectly nice photographs and turns th