Day Three Press Photos (5/28) - D
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'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.

All Things DigitalAllThingsD.comBingCaliforniaCarlsbadD7Four Seasons AviaraMicrosoftSearchsearch engineSessionSteve BallmerWalt Mossberg2009052808332205491