My afternoon today involved a visit to the IAB HQ in Holborn, for the monthly Social Media Council meeting. As I arrived 10 minutes early, I got to take a trip to one of my favourite London sites, which is just down the road – the “United Grand Freemason’s Lodge of England” – or as a lot of people will know it, the MI5 Headquarters from TV’s Spooks! It’s a very impressive building even before you consider both it’s intriguing contents and it’s famous TV alter-ego. Last time I visited it, I bumped in to (literally) Director Paul Greengrass, who was directing Matt Damon in what I now know was the film “Green Zone”….