Are you looking to make a statement with your brand? Are you looking for an out-of-the-box idea that will generate large sums of publicity?
Betfair.com spent four (4) months of preparation to grow the world's largest billboard to welcome travelers as they flew into Vienna for the 2008 Euro Football Championship. The Betfair.com "home grown" billboard, which says 'NO. 1 FOR FOOTBALL AND STILL GROWING!', covers the space of 50 football fields; a space that is equivalent to laying the Empire State Building end-on-end three (3) times.
The results? Over 1MM airline passengers saw the billboard while flying into Vienna International Airport in June and the billboard was officially ratified as the World's Largest Advertising Hoarding by the Guinness Book of World Records. There is no word as to what it cost Betfair.com to create the billboard.
In all, the billboard took:
Source: Betfair.com