Sérgio Amadeu [pt] on Guarulhos first ever digital festival. “With more than 500 papers published in a collaborative portal, developed entirely using open software, Guarulhos 2.Zero will give its awards at the end of February. You can visit the website and vote. It is cool to encourage the municipalities that create collaborative tools to host the artistic and cultural production of their communities”. Guarulhos is the second biggest city in the Brazilian state of São Paulo.