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.
Microsoft CEO Steve Ballmer and Yusuf Mehdi, SVP for the Online Audience Business Group, demo the Bing search engine.
Steve Ballmer, always a crowd favorite at the D: All Things Digital conferences.
Microsoft CEO Steve Ballmer, interviewed at D7.
Steve Ballmer, live and onstage at the D conference.
D7 session with Walt Mossberg and Microsoft CEO Steve Ballmer.
Microsoft CEO Steve Ballmer.
Steve Ballmer laughs during his presentation at D7.
D7 with Walt and Steve.
Walt and Steve on-stage at D7.
Search engine wars.
Microsoft CEO Steve Ballmer listens intently to a question from the audience.
Steve Ballmer, CEO of Microsoft.