Business willingly monetizes this phenomenon with the help of computer technology. Companies analyze user behavior, for example, in social networks, and on the basis of analysis, offer them things of interest and great demand. It causes the headings "Recommended", "You may also be interested in", similar boards on Pinterest and smart targeting, which the further, the more accurately it hits the target. For instance, after analyzing the behavior of two users, a social network will show one Ralph Lauren Home ad, and another will get a small handicraft furniture brand advertising. And, most likely, there will not be a mistake.