Remember ‘ambient’ advertising? Just over a decade or so ago, it was all the rage. Essentially, it was using non-traditional out-of-home media, in an unexpected manner to deliver a brand message. While traditional billboards and kiosks were also used the creative expression gave it a twist. So we had ice-cream sticks, lamp posts, a seat tray in an aircraft and such like used for advertising. Here are a few others which caught my eye and…