"It’s been a tough year for physical art, with works by Frida Kahlo and Damien Hirst getting uploaded to the cloud, then incinerated. From the split-personality films of Lynn Hershman Leeson to Celia Hempton’s recent laptop-size canvases based on DMs from men, Omar Kholeif’s frantic INTERNET_ART (Phaidon, $39.95) explores how our cyberreality has shaped creative consumption since the 1960s. Alienation from the self, in Kholeif’s telling, is art’s new crisis."