You can dress your nails in every shade you can imagine and, pretty soon, in a couple of flavours too: this is what’s happening in Hong Kong in the recent weeks, where an extraordinary and crazy marketing campaign is becoming viral. The famous American fast food chain Kentucky Fried Chicken, also known as KFC, is the promoter of this promotional case, while edible nail polishes aren’t simply the tools used to accomplish a mission, but the real stars of the event: latest innovation or mere nonsense? If you think of KFC you will link it to an old man with a white mustache, wearing a Texan-style white tuxedo, and a fried…