Walt Mossberg and Kara Swisher interview Mark Cuban, HDNet Chairman and owner of the Dallas Mavericks.
Mark Cuban, HDNet Chairman and owner of the Dallas Mavericks, onstage at D7.
Walt Mossberg interviews John Lilly, CEO of Mozilla and Mitchell Baker, Chairman of the Mozilla Foundation.
Mitchell Baker, Chairman of the Mozilla Foundation, onstage at D7.
John Lilly talks about browsers and glasses.
Mitchell Baker, Chairman of the Mozilla Foundation, at D7.
Mozilla CEO John Lilly onstage at D7.
A funny moment in an otherwise tough session with the Mozilla heads.
Walt asks some tough questions to John Lilly and Mitchell Baker.
Mozilla CEO John Lilly.
Walt interviews John Lilly and Mitchell Baker from Mozilla at D7.
Mitchell Baker at D7.
Walt Mossberg interviews Microsoft CEO Steve Ballmer at the D7 conference.
Search engine wars -- D7 poll results.
Steve Ballmer onstage at the D: All Things Digital conference in 2009.
Steve Ballmer, CEO of Microsoft, onstage at D7.
Steve Ballmer gets Walt Mossberg to laugh by saying bing over and over.
Microsoft search is this close, says CEO Steve Ballmer.
Steve Ballmer gets serious at D7, onstage with Walt Mossberg.
Demoing Microsoft's Bing search engine to the D7 crowd.
Preview of Microsoft's new Bing search engine.
Preview of Microsoft's Bing search engine.
Microsoft's CEO Steve Ballmer and Yusuf Mehdi, Senior Vice President for the Online Audience Business Group, demo the Bing search engine for Walt Mossberg at D7.