Marie-Pierre Schickel shares an older but always relevant post on the value (or lack of) gimmicks in marketing. “Julien Mcdonald and the McDonalds burger. It was in my inbox this coming from TrendWatching’s “Innovation of the Day”. Of course, we also know of Venice film festivals and other red carpets with fast fashion-dressed celebrities, collaboration bridging Couture and everyday clothes, Balenciaga and the Ikea bag. And also teens with fake cracked iPhone covers. We have long welcomed in our consumer…