Leonine opportunity costs

Come next week, throngs of industry folk will touch down in Cannes to pat backs, sip rosé and try to be inspired. Agencies and their holding companies invest huge sums to take part. But duo Michael Middelkoop and Sharif Elmawla, who are currently working at Saatchi & Saatchi Amsterdam, decided to find out what else the entry money would be able to buy with their website