The recent appearance of virtual social networks such as Face. book, Tuenti, etc., has revolutionized communication and integration both for individuals as well vs companies, making it possible to maintain already existing contacts and/or to form new connections. The main objective of the present work consists in developing a model of causal relations variables that influence or predict the use of virtual social networks through comparison using a Technology Acceptance Model (TAM). To do so, an online survey has been carried out with a panel of virtual social network users at the national level. This research has made it possible to deepen knowledge attire benefits and profits that, with respect to the business world, are tube gained through the use of this type of social tools by users.