Today, more and more companies pay attention to develop themselves on the internet. It’s very obvious for us to see that there are numbers of “mutual aid and services”  applications which are designed for individual to help each other, and most of them reach clear success, such as, blablacar, leboncoin... These application services proposed are often more economical and give each user one opportunity to create a social link and cohesion with others by the “person to person” angle.