but as silicon valley reporter robin mcelhatton reports, netflix is still protecting its turf in the fast-growing video streaming market. >> reporter: netflix has been renting d.v.d.'s by mail for 12 years, but since it started streaming movies and t.v. shows over the internet four years ago, the company has taken off. it's stock has jumped more than a 1,000% in those four years. the latest quarterly earnings show income, revenue and subscribers are all up dramatically in the last year. netflix vice president steve swasey says the company will keep renting d.v.d.s in the u.s., but streaming is the future. >> the real growth of the company is streaming and as we launched a new market last year in canada and as we launch new markets later this year elsewhere in the world it will all be streaming. >> reporter: netflix is also aggressively expanding its content. it's inked dozens of deals with movie studios and television networks for new shows, including original programming. >> but as netflix grows, so does the competition in the emerging video streaming market. >> google and youtube o