Went to the Tate Modern yesterday evening after receiving an invite by email for a flash mob event. Basically you turn up to the place with your ipod and at the said time (here 19h01) you start dancing like mad. There's no loud music, you just dance to whatever is playing on your ipod. It was really funny, and a bit strange!
Found some pics online. Michael and I can be seen! Clap your hands say yeah!