“Water Lilies” is the second-most-popular cellphone wallpaper sold by Boston’s Museum of Fine Arts, which opened a new digital-images shop in September. This service is only the latest future-shock innovation at the museum, a civilized institution that has nonetheless adopted what one tech reporter scarily described as a policy of ‘aggressive digital-capture.’ The M.F.A. now has one of the biggest image databases of any art museum in the world.”