Last year, Caputo and his ad agency, Bartle Bogle Hegarty, were put in charge of the first advertising campaign for Mr. Sketch scented markers in more than two decades.

Steve Travers, 38 - It was always an exciting day when someone brought in a pack of Mr. Sketch markers. I remember opening one up and finding the Cherry-smelling one. That was always my favourite.

This case study by Newell Brands, an American worldwide marketer of consumer and commercial products, is about Mr. Sketch, the company's largely forgotten coloring brand, and how it made headway in a ...

So rather than a Mr. Sketch re-launch (the product never went off the shelves, anyway) they went for a re-introduction. The star of their approach is the flatulence of a blueberry.