There's always an inherent danger, for any company getting behind a meta-theme like 'revolutionizing how the world engages with ideas and information ­ anytime, anywhere and through any medium,' that it has defined a wish rather than a reality. The thousands of developers assembled in the keynote hall of The Sands Expo Center here in Las Vegas are undoubtedly united in a desire to decide for themselves which applies. This morning, at the opening keynote that began just moments ago, they got their chance.