Microsoft CEO Steve Ballmer delivered the keynote speech at his company's London conference "Technologies to Change Your Business: How Customers Are Implementing Tomorrow's Strategies Today".

Microsoft has been busy this year, rolling out Windows Server 2008 and SQL Server 2008 in a push to expand its presence in the corporate data center. To be successful, the company must overcome an economic environment that appears increasingly difficult as well as tough competition from rivals Oracle and VMware, among others

For all the talk of businesses embracing Web 2.0 and social software tools, most companies are still at the very early stages of adoption, says Jonathan Yarmis, an analyst at AMR Research who focuses on emerging technologies. In his latest research note on companies taking their first step into social media, he says that companies must avoid the "Kumbaya Zone" - the place where social media is ultimately a time-waster and has little business value.

Google, which celebrates 10 years of its incorporation this month, remains strongly committed to its Enterprise unit and to the customers it serves, including IT and business managers and CIOs, although most of the company's revenue comes from online advertising.

Started in a dorm room four years ago, the social networking site Facebook now claims to be the fourth most-trafficked site in the world. Ninety million active users pound on 10,000 servers every day, uploading millions and millions of pieces of information in a given month. For example, "friends," who socialize in 21 languages, add 500 million photos per month.

Earlier this month, Gmail, the popular e-mail service provided by Google, experienced a service outage that left some users without their e-mail for 24 hours. Some of the users who were affected Aug. 15 included customers of Google Apps, Google's software as a service (SaaS) suite that includes Gmail, calendar, documents & spreadsheets, instant messaging and wikis.

Security has been a bit of a black art at Google. Unlike rival Microsoft, which publishes detailed information on its monthly patches and has openly evangelized the steps it takes to secure software, Google has generally been quiet when it comes to talking about security and it has kept the team that keeps Google's Web sites secure under wraps. Douglas Merrill, Google's vice president of engineering and chief information officer explains what Google gets from its security investments, and why his company believes that locking down the enterprise PC is not the way to go.

David Heinemeier Hansson is the creator of one of the hottest technologies amongst software developers these days: the Ruby on Rails Web framework.

Olaf Kolkman, a Dutch DNS expert, is the new chair of the Internet Architecture Board, a panel of 13 leading network engineers who provide technical oversight to the IETF, the Internet's premier standards-setting body. He's also CEO of NLnet Labs, an Amsterdam research group focused on DNS security.

Andreas, or simply, Andy, Bechtolsheim holds the distinction of having employee badge #1 among the thousands of people who have worked at Sun Microsystems in its 25 years of existence. Perhaps best known as the inventor of the Stanford University Network (SUN) workstation, he is among the four founders of the company, along with Vinod Khosla, Bill Joy, and Scott McNealy. InfoWorld Editor at Large Paul Krill recently spoke with Bechtolsheim about Sun's past and present situation, with Bechtolsheim chiming in on about topics including open source and the Intel and SPARC chip architectures.

Bob Sutor, IBM's vice president of standards and open-source, sees 2006 as the year when a number of industries will move to embrace open-source software -- and he expects IBM to play a role in many of those efforts. Sutor, who spoke with Computerworld Monday, also weighed in on the role of Linux and offered his thoughts on Massachusetts' OpenDocument plans.