KAYAK the travel tool searches hundreds of travel sites at once, and shows you all you need to make the best decision. With this brief, we concepted a whole campaign for Germany, UK, France, Spain (and Australia, they say ...). Have a look at the tvc here.
OOH Megalight and CLP:
Website integration
The way we play Facebook: gifs.
Special banners in Spain:
Special OOH in France (Paris):