Project Re:Brief by Google
Google selected 4 iconic American advertising campaigns from the past and asked creators behind them to come up with new ideas but using the modern Web to inspire a new generation of creative minds along the way. Check http://www.projectrebrief.com/ for the whole four new experiences to celebrate 18 years of digital advertising.
Introduction video: http://www.youtube.com/watch?v=vPDnZoJiwA4&feature=related