CNN says U.S. World Cup fans have been more active than those in any other country . It says 36.7 million U.S. fans have accessed World Cup sites , apps within past 28 days . California , Texas and Texas are busiest states in visits to World Cup website . California team plays Belgium in World Cup second round Tuesday .
FIFA says U.S. World Cup fans have been more active than those in any other country . It says 36.7 million U.S. fans have accessed World Cup sites , apps within past 28 days . California , New York and Texas are busiest states in visits to World Cup website . U.S. team plays Belgium in World Cup 's second round Tuesday .