A number of companies, including ESPN, believe that people will increasingly use their mobile phones to obtain updates on sports events and watch other broadcasts -- both at home and on the move
More than two dozen huge white satellite dishes surround ESPN's 40-hectare campus, each transmitting and plucking electronic signals from the skies. Tucked inside that digital fence are 10 buildings, all devoted to producing and broadcasting ESPN's cable sports programs. Deeper inside the campus sits another building, largely occupied by a team of 20-somethings and a few middle-aged managers, that produces sports content for just one device: the cellphone.

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Robots from around the world competed for supremacy in soccer, combat, sumo wrestling and other arenas beginning on Friday at a machine version of the Olympics in San Francisco.

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