British. A Careless talk poster, illustrated with civilian and armed forces headgear, with the slogan ‘The more information you keep under your hat' (trilby hat) and the caption ‘the safer he'll be under his' (steel helmet). As with many Careless talk posters, the images focus on the head area, indicating whatever knowledge was contained in the head, it should be kept there.
12 Guerrilla Marketing Tips to Help You Sell. Have you heard of guerrilla marketing? The term was coined and defined by Jay Conrad Levinson in his book Guerrilla Marketing and was invented as an unconventional system of promoting something, that relies on time, energy and imagination rather than a big marketing budget. Typically, guerrilla marketing campaigns are unexpected and unconventional, and consumers are targeted in unexpected ways and places. #sellingsecrets #sellinghouses