I looked out of the window of my flat last night and saw this:

What is this?

My mate Piotr and I were baffled on what this could be; I was tempted to turn off all my wifi kit just in case it was some sort of semi pro wifi hacker? Other options were some sort of mind control device, a not very discret surveillance car, a mobile pirate radio station or even someone who really really wants to get a good radio reception! It had gone by the time we’d finished playing squash … maybe I should have turned my wifi off!