http://i0.wp.com/www.uxabilidad.com/wp-content/uploads/HLIC/webmacheter.com/wp-content/uploads/2010/05/carriers_america_full.jpg?w=1140

via: http://webmacheter.com/2010/05/10/los-operadores-de-telefonia-movil-mas-populares-en-america/carriers_america_full/