The first recognisably modern weather maps appeared in the early 19th century, when proto-meteorologists stitched together eyewitness accounts of large storms to construct maps after the event.
Their slice of the event centered around the desktop refresh of Google Maps, but there's actually a lot more to be excited about than what was announced today.
Among its features demoed at the event: using a tablet to call plays on "Madden 2012" and viewing maps of the fantasy land of Westeros on a tablet or smartphone while watching "Game of Thrones" on HBO.