For now, just the US, unless there is an accord with another country in this desicion.
There is no why these rules being applied here on my country because this wasnt discussed by our governament or even approved by our governament.

Thats the biggest failture on the capitalism system, its not unified. It's kind chaotic, each country do what each country want, that wasnt really a problem since the "modern internet" appeared, because internet is unified.
All these big organizations as youtube, mozilla, tumblr, if they change their servers to another countries, they may won't have to pay the bill, because wont be more on the us restriction, but they will be able to keep their sites as they are and you will can still access it, unless it be blocked somehow.

In high sea, wich are we can say nobody lands, you can kill someone and nothing will happen, because there isnt a country to apply you a penalty, maybe just ONU may decide what will happen. Some research with stem cells were done in high sea because they were not allowed on some countries and restricted in another countries.

US isnt the only country with internet in the world and is not the internet's owner, with these bills, they will scary all the these companies to the rest of the world.
US will just stop.