Abstract expressionism in 1929 in relation to works by Wassily Kandinsky. Technically, an important predecessor is surrealism, with its emphasis on spontaneous, automatic, or subconscious creation. Jackson Pollock's dripping paint onto a canvas laid on the floor is a technique that has its roots in the work of André Masson, Max Ernst, and David Alfaro Siqueiros. The newer research tends to put the exile-surrealist Wolfgang Paalen in the position of the artist and theoretician who fostered the theory of the viewer-dependent possibility space through his paintings and his magazine "DYN". Paalen considered ideas of quantum mechanics, as well as idiosyncratic interpretations of
Canvas fingerprinting Canvas fingerprinting Canvas fingerprinting is one of a number of browser fingerprinting techniques for tracking online users that allow websites to identify and track visitors using the HTML5 canvas element instead of browser cookies or other similar means. The technique received wide media coverage in 2014 after researchers from Princeton University and KU Leuven University described it in their paper "The Web never forgets". Canvas fingerprinting works by exploiting the HTML5 canvas element. As described by Acar et. al. in : Variations in which graphics processing unit (GPU) is installed or the graphics driver cause the variations in the fingerprint.