geoGreeting is a fun way for you to send your friends short greetings from the surface of the Earth! Jesse Vig, the site's creator, noticed, while working in Google Maps, that certain buildings looked like letters from above.
Visit geoGreetings to create and share your own greetings.
Click on the provided link to view a special GDC message! (If the animation does not load, you can view a still shot here.)