Sure, it covers an area which contains 1B people, but it requires one to understand that "a total of one billion people that have access to the free Internet service" means "a total of one billion people who may obtain access to the free Internet service." It's quite different than trying to suggest 1B people are connected to it. Under that interpretation, having 9M new people would mean that 99.1% of people already had service. And this sort of service is for areas with low connectivity rates, closer to 9.1% than 99.1%.