Less than 13 hours left until Sven (sven423) and I are taking the train to Krefeld for Ubucon to meet up with Mark (markey), Myriam (Mamarok), and Marcus (czessi) and give two talks.
According to this article, viewing this spinning image can tell you which side of your brain dominates your cranial activity. Do you see the image spinning clockwise or anticlockwise?