The retail giant will allow customers to snap up a flick while loading their electronic shopping carts with everything from clothes to tires. The move completes Walmart.com's integration of VUDU, and brings the world's largest public corporation by revenue into direct conflict with Netflix.
Warner Brothers is launching the first streaming-video app that lets people rent movies through Facebook. First up: The Dark Knight. It's a small test, but when Facebook enters a business, competitors get nervous: Here's how this move could trigger a round of mergers among the established players.