Take that, Google. To alleviate any antitrust concerns, Microsoft has to make separate deals with each OEM if it wants its search integrated into an OEM's PCs. And on Monday it landed a biggie, particularly with HP's ranking as the world's largest PC manufacturer.

Microsoft Corp. is releasing an update to Live Search (www.live.com) centered on improvements to core search technology and deeper advancements in the vertical search areas of entertainment, shopping, local and health. Collectively, these improvements mark a quality milestone based on the company’s focus on delivering a better search experience for consumers and advertisers.