From Live Search’s official blog:
We’re excited to announce that we’ve reached an agreement to acquire Powerset, a San Francisco-based search and natural language company.
Powerset will join our core Search Relevance team, remaining intact in San Francisco. Powerset brings with it natural language technology that nicely complements other natural language processing technologies we have in Microsoft […]

REDMOND, Wash. — June 17, 2008 — Microsoft Corp. today announced the acquisition of Navic Networks, a leading provider of television advertising solutions. Navic’s technologies include sophisticated campaign management tools that use relevant data to optimize the delivery and placement of targeted interactive television media and through Admira provide a unified ad network for targeting […]

After not being able to reach an agreement on the price and other terms, the negotiation fell apart and Microsoft is now withdrawing its offer to buy Yahoo! (Reportedly, Microsoft’s final offer was $33 a share while Yahoo wanted at least $37.) See Microsoft’s official press release here. Yahoo’s official response is here.
Personally […]

See the official announcement on Farecast’s blog. (No official press release from Microsoft though.)

REDMOND, Wash. — March 14, 2008 — Microsoft Corp. today announced plans to acquire Rapt Inc., the leading provider of advertising yield management solutions for digital media publishers. Rapt’s technology, along with its information and advisory services offerings, will become key components of the Atlas Publisher Suite, part of Microsoft’s Advertiser and Publisher Solutions Group. […]

REDMOND, Wash. — March 12, 2008 — Microsoft Corp. today announced its intended acquisition of Kidaro, a leading provider of desktop virtualization solutions for enterprises. In combining Kidaro’s virtualization technology with its suite of desktop management tools, known as the Microsoft Desktop Optimization Pack for Software Assurance, Microsoft will enable IT professionals to optimize their […]

REDMOND, Wash. — Feb. 11, 2008 — Microsoft Corp. today announced it has entered into an agreement to acquire Danger Inc., the company responsible for the software and services powering many popular consumer handsets. The acquisition will align Danger’s nearly 10 years of expertise in the mobile consumer space with Microsoft’s vision to provide innovative […]

Wow… if this deal goes through… What’s it like to live in a world of Google vs. Windows Live/Yahoo? How would the combined company merge redundent services, like Yahoo! Mail and Hotmail? Or Yahoo Messenger and Windows Live Messenger? How would the online world evolve if this deal happens? Hmmm……
Yahoo’s […]

REDMOND, Wash., and OSLO, Norway — Jan. 8, 2008 — Microsoft Corp. (Nasdaq “MSFT”) today announced that it will make an offer to acquire Fast Search & Transfer ASA (OSE: “FAST”), a leading provider of enterprise search solutions, through a cash tender offer for 19.00 Norwegian kroner (NOK) per share. This offer represents a 42 […]

LONDON — Dec. 12, 2007 — Microsoft Corp. has acquired Multimap, one of the United Kingdom’s top 100 technology companies and one of the leading online mapping services in the world. The acquisition gives Microsoft a powerful new location and mapping technology to complement existing offerings such as Virtual Earth, Live Search, Windows Live services, […]