If a service's servers are run in the US, "ISPs" could charge more to that service to pipe that data out of the country using their lines. It would only affect

If a service's servers are run in the US, "ISPs" could charge more to that service to pipe that data out of the country using their lines. It would only affect international people if a company's servers only existed inside of the US, which exempts all large startups that have co-located servers. It would affect all traffic of people in the US though since the ISP can charge services to pipe in to their lines and charge consumers to pipe out of their lines.