Originally commissioned in 2012, Kjartansson’s video work has gained cult status. © Ragnar Kjartansson On a Saturday this July, I sat through three runs of Ragnar Kjartansson’s video installation, The Visitors, at the San Francisco Museum of Modern Art. I had imagined transcribing some of what I overheard from other patrons, but in the three-plus hours I was there (The Visitors has a 64-minute run time), no one spoke.