1. A system for acquiring and adding data on the playing of elements or multimedia files comprising: a digital device operatively coupled with a database with information referring to a plurality of users in the form of user profiles, the device having installed an identification-characterization program configured to identify and count the number of complete or partial plays of each one of said files, wherein the multimedia files are grouped in a series of groups; said identification-characterization program further configured for counting said plays in at least one of a direct manner or a weighted manner taking into account a weight assigned to the digital device or a user associated with the digital device, said weight having been assigned such that the weight is directly proportional to the total number of files available in the digital device or available to the associated user, wherein said identification-characterization program is configured for counting the number of plays of each one of the files, taking into account the group or groups to which they belong, wherein the identification-characterization program is further configured for adding said data from said identification-characterization programs to said database, associating the data with the corresponding profiles of the users using the digital devices in which the respective identification-characterization programs are arranged, which enables carrying out classifications or a rankings; and sending the count to an acquiring and storing device.