Amazon.com plans to acquire Quidsi, the operator of Diapers.com and Soap.com, for US$500 million in cash to expand into baby care products and goods for everyday needs.

Intel and South Korea's KT Corporation plan to work together to expand WiBro (Wireless Broadband) Internet service to several new areas of South Korea and and have worked to make the network compatible with mobile WiMax.

Expanding its business analytics offerings yet again, IBM is acquiring data warehouse appliance vendor Netezza for approximately US$1.7 billion in cash.

Intel has expanded its share of the server microprocessor market, taking advantage of a slow product transition at perennial rival Advanced Micro Devices, according to figures released late Wednesday by IDC.

Microsoft plans to buy health-care software maker Sentillion for an undisclosed sum in order to expand its own health-care offerings and capitalize on an upcoming opportunity for new sales.

Users of Facebook and Yahoo will find more ways to link their actions on those sites next year, as Yahoo prepares what it calls a deep integration of Facebook with services like Yahoo Mail and Yahoo News.

Microsoft's deal with Yahoo under which the software maker's new Bing search engine will be used to power Yahoo searches and Yahoo will sell premium advertising for both companies could be expanded overseas, Microsoft CEO Steve Ballmer said Thursday.

Intel expanded its chip shipment lead over Advanced Micro Devices during the third quarter as the rivals battle for larger market share, according to a survey released by Mercury Research on Tuesday.

Global technology giant IBM is in talks to buy Sun Microsystems in a deal that would expand its server market share, the Wall Street Journal reported Wednesday.

Lenovo is in talks to acquire PC makers, a sign that it is taking advantage of a stagnant market to expand its worldwide presence.

Adobe on Monday announced it has acquired Danish imaging software maker YaWah ApS to expand the use of Adobe Scene7 software in Europe.

Samsung Electronics on Monday unveiled two new mobile phones made with plastic made from corn as it expands initiatives aimed at being more nature-friendly.

EMC has agreed to buy storage vendor Iomega for US$213 million in cash, expanding EMC's reach into the fast-growing consumer and small business markets, the companies announced Tuesday.

Dell is expected on Monday to add a new series of blade products to its PowerEdge server line, expanding its presence in a market dominated by rivals IBM and Hewlett-Packard.

Facebook Inc. will sell a US$240 million minority stake to Microsoft Corp., which as part of the deal will also expand the advertising services it provides to the social networking phenom, the companies said Wednesday in a statement.

Toshiba Corp. on Monday pushed high-definition technology into new laptops, expanding entertainment options for budget users.

Cisco Systems Inc. and IBM Corp. are expanding a cooperative support offering from the U.S. to 46 other markets.

Google Inc. has launched Google Apps for Your Domain, a suite of hosted collaboration applications for small to medium-size businesses, universities, groups and affinity organizations, with plans to expand to larger companies by year's end.

In continuing efforts to expand its online advertising business, Google Inc. will distribute ad-supported video content from Viacom International Inc.'s MTV Networks to Web sites in its extensive advertising network.

In an effort to compete with Sun Microsystems Inc. and Hewlett-Packard Co., IBM Corp. is expected to announce Tuesday it will expand its line of servers powered by chips from Advanced Micro Devices Inc. (AMD).