Launched in 2020 by two players in the Social and Solidarity Economy, ATIS and France Active, POP is a nomadic incubator dedicated to SSE in the departments of Vienne, Deux-Sèvres de la Charente and Charente-Maritime, which accompanies the emergence of social innovation and SSE projects. Its tasks: - raise awareness and detect potential project leaders - support project leaders in the creation of their activity - invent new solutions to the socio-economic challenges of the territories concerned Twenty projects are incubated each year thanks to this system.