https://www.reuters.com/article/us-facebook-privacy-eu-exclusive/exclusive-facebook-to-put-1-5-billion-users-out-of-reach-of-new-eu-privacy-law-idUSKBN1HQ00P >If a new European law restricting what companies can do with people's online data went into effect tomorrow, almost 1.9 billion Facebook Inc users around the world would be protected by it. The online social network is making changes that ensure the number will be much smaller.