This is the history of advertising in motion pictures from the slide ads of the 1890s to the common practice of product placement in the present. Initially, product placement was seen as a somewhat sleazy practice and also faced opposition from the film industry itself; it has grown dramatically in the past 25 years. From Maillard's Chocolates advertising with a shot of Cardinal Richelieu enjoying a hot cup of cocoa in 1895, to product placements...