Keep Calm and Carry On? Lovely Day for a Guinness? Just do it? Good advertising can do more than sell shoes and beer, they can become cultural touchstones, referenced over and over again, years after they first appeared. So, if a colleague shouts ‘Heyyyy biertje…’ during a borrel and everyone else laughs but you’re left out in the cold, we’ve got you covered. Molly Quell has put together a list of 12 Dutch advertisements that you need to know.