Christian Marclay’s 24 hour video, Clock is the most perfect gallery installation of video I’ve ever seen. In the same way that I am not a cat person, but I love particular cats, I am guardedly pessimistic when it comes to video installations. I have not been to a show, of any kind, that is this good in years. So far I have spent 6 hours watching (easily five hours more than I have ever spent with any other single video installation) and am looking forward to catching as much as I can before the show comes down this weekend. (I am fantasizing about having Clock installed in my house.) This is not just because I enjoy the video itself (although I very much do); it is because this video is installed the way all video art should be installed: three rows of comfortable light grey sofas, four deep that not only allow you to lean back and watch; because they aren’t black, one can easily move about and find a seat. Genius – or at least relative genius, because every other video installation I have ever been in has been so willfully stupid. It is telling that it took a 24 hour video to force a gallery to install video in a way in which it can be watched for more than just a few minutes.