The latest trends include fun videos and commercials for their products that consumers can watch while eating the confectionery. One of the pioneers of “snackertainment,” in which the real and the digital worlds merge, is food giant Nestlé. In a marketing campaign with Internet leader Google, it has the red rectangular wrappers of “have-a-break” KitKat printed with QR codes that lead directly to the manufacturer’s own “YouTube my Break” channel.