Netflix to double profits after adding millions of subscribers in three months

After cracking down on password sharing, expanding into ads and investing billions in live TV, group declares success

Netflix expects to double its profits this quarter after the world's largest streaming service added more than 5 million new subscribers this summer.

After cracking down on password sharing, introducing adverts to its service and investing billions in live TV, the group declared it had delivered" on plans to shore up its business.