MIT Ad Lab: The advent of Internet-based flight tracking technology enables an entirely new kind of skywriting. Gulfstream Aerospace sent up one of their $50M business jets today on an 8.5-hour test flight spanning 11 states for the sole purpose of leaving their mark on the Net in the form of a flight track that spells out ‘GV’ (the nickname of the Gulfstream V aircraft being flown) when viewed online.”