TravelByDrone.com does nothing more complex than map videos taken from drones. It's a simple, but winning, formula and perfect procrastination material. The London region contains around 20 videos, ranging from Upminster Windmill to the Houses of Parliament.
Your worldview probably extends beyond London, and the map includes clips from as far afield as Svalbard and French Polynesia. It's a novel way to scope out potential holiday destinations. How long before Google launches a three-dimensional Street View along these lines?