Photos: Bill Gates talks hardware at WinHEC

Chairman Bill Gates introduced the first public beta, or test version, of Microsoft's upcoming Windows Vista update at the WinHEC conference in Seattle on Tuesday. He also announced new betas of Office 2007 and Longhorn Server, the next version of the Windows Server operating system.

Gates shows off Motorola's new Q phone, which runs Windows Mobile, at the WinHEC conference in Seattle on Tuesday. He also announced that Motorola's upcoming T31 handset will be able to tap into Windows Live, Microsoft's Web-based set of software applications.

Mika Krammer, a Microsoft director of product management for Windows, demonstrates features of Vista during Gates' opening address at WinHEC. The demonstration included a picture frame with SideShow features and touch-screen displays.

Will Poole, senior vice president of the market expansion group within the platforms and services division at Microsoft, delivered one of the three morning keynote speeches at WinHEC. Among other topics, Poole discussed the FlexGo program, which aims to increase PC adoption in developing countries.

Just before the start of Gates' opening address, WinHEC attendees line up for a free latte outside the main keynote hall in the Washington State Convention & Trade Center.

Bob Muglia, senior vice president of Microsoft's server and tools business, delivers a WinHEC keynote address Tuesday morning on Windows Server "Longhorn" and other server technologies, such as Microsoft's virtualization software.