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The digital economy thriving, the weak growth perspectives, the upcoming of environmental concerns are leading the strengthening of the collaborative experiments which are not suffisant to explain social behaviors. The survey of Blablacar’s users, all in employment, belonging to the middle and upper class, shows that during their socialization, they built an ascetic disposition and a disposition to be thrifty, an ability to exchange or a taste for sociability more or less strongly constituted. In this moment of social uncertainty, of weakening of the social status, of turning point situation, the oldest one are getting committed in this practice.For a long distance journey, and after looking for other modal choices, young drivers, who are in a social insecurity situation and have a low confidence in the future, use carpool, even if they do not like exchanges with strangers.When the driver, who is the age of 40, is going back to school, the disposition of saving money is combined with a taste for exchanges and sociability.