In this case, we opened Keynote, chose a presentation file, and let the app download it via WiFi.

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From the Keynote tab, you can view and download each presentation as a Keynote file, PDF, or in PowerPoint format.

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In theory, government agents who are scattered geographically will be able to log on and meet "face to face" as realistic avatars in a digital conference room equipped with video and audio conferencing, presentation applications, and file sharing, all provided by IBM's unified communications software.

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During his 2012 WWDC keynote presentation, Tim Cook announced Apple has more than 400 million active credit cards on file.

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Using software called Camtasia, she was able to give a presentation on her computer and record the entire thing, including her narration, to a digital video file.

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