Google MapsGL - The shadows casted by the buildings are relative to the current position of the sun.
Mac OSX - The world map displayed within the Data & Time system preference panel changes with the seasons.
/via John Blackburn
The striking new logo, designed by award winning agency Coley Porter Bell, takes the conceptual form of London’s thumbprint. Coloured layers map the shape of London over time, reflecting the ever-changing, diverse and dynamic make up of London and Londoners, past, present and future.