Abstract: System for delivery of promotions, offers, news, or general information, personalized, in real time, to a user or client, allowing to increase concretion of sales stimulated by specific offers or promotions, the system comprising the following elements: a. a configuration platform allowing generating offers, ads, or promotions; b. a mobile device allowing the user or client to receive offers or promotions; c. localization means, allowing to detect the location of the user inside a store with sufficient precision, in order to the offers or promotions sent to the user are related to the products in close proximity to the user or client in a determined moment; and d. a method for producing promotions, ads or messages to be sent to the mobile device.