For those who don’t have convenient access to Twitter, I am posting my recent account of the benefits of the website Art UK, which provides convenient online access to every painting, and now sculpture, in a British public collection, except, sadly, a small number of steadfast refuseniks, including my old college, King’s, which continues to insist, in contrast to nearly every other Oxbridge college, that it does not want to participate in this wonderful intellectual and scholarly resource: