22Nd International Conference on World Wide Web, Www 2013, Date: 13 May 2013 through 17 May 2013, Location: Rio de Janeiro, Patrocinadores: Comite Gestor da Internet no Brazil (CGI.BR);Nucleo de Informatcao e Coordenacao do Ponto BR (NIC.BR);BR PETROBRAS;Banco do Brasil;Microsoft