Walmart.com swims the video stream

SANTA CLARA, Calif. — Blockbuster and Netflix may face new competition from Walmart, as the retailer announced that it will launch digital online movie rental and video streaming through its acquired Vudu service. The retailer is now offering 20,000 titles that can be viewed on almost any device with Internet access, from PCs to televisions to Sony's PlayStation3 and other Blu-Ray disc players. This is Wal-Mart’s second try at competing with Netflix, as it previously offered a DVD-by-mail service but it stopped that service in February 2010. "At Walmart, one of our key priorities is to provide a continuous