Apparently it's updated hourly from: http://hawttrends.appspot.com/api/terms/ http://hawttrends.appspot.com/api/terms/ If you watch Chrome's network activity,

Apparently it's updated hourly from: http://hawttrends.appspot.com/api/terms/ http://hawttrends.appspot.com/api/terms/ If you watch Chrome's network activity, it shows no activity after load, and near the bottom, you find that list of terms. Still a cool visualization. It would be great if it was OpenGL and I could set it as my screensaver, or something.