Nano-media have become one of the successful business models of blogs and have started a new information trend that has consolidated since the birth of the main services about ten years ago. This article revises the origins of the nano medium, starting with the initial concepts about the use of blogs, and analyses how they have evolved, taking as the main parameters their commercial development, volume of business, and search for a distinctive identity in opposition to the major online media. These parameters are especially characteristic of a cyberjournalism which is independent from mainstream media
