Microsoft is looking to put Blockbuster out of business. How? Having added 100 gigabytes of storage to the Xbox videogame console, enough to store dozens of high-definition movies, it's now undercutting Blockbuster's rental fees for download-to-rent movies. Microsoft's rental charge — about two bucks — is low enough that some think it will hurt DVD sales, too. [MonstersandCritics.com]