Tuesday, June 19 happened the 4th Nanorennes day. During this day, there has been some conferences beetween wich there was a buffet. To begin the day, the conferences talked about technical subject. Then, the platform has been described in more administrative terms. To finish, the conferencers reminded what makes the platform interesting for the research and showed with statistics that the membres of Nanorennes are motivated, so that it enables some future plans for the platforom.