The mechanism described is not something the average user could, or reasonably would, leverage, as it requires local access to a system, local administration rights and a debugger in order to work.

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It utilizes a phone's digital compass, and read out the direction the user is facing, something that is apparently very important when navigating through public transport, while the audio component opens up Google Map features in a non-visual way.

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Most of this revenue is generated by in-game spending on virtual goods, an area which is just beginning to take off in the U.S. Online gaming is all about owning the user experience, and traditional display advertising is viewed as something which takes away from the game experience.

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Web Workers, for instance, is an emerging system for isolating a browser's individual tasks into separate "threads, " making it easier for a browser-based program to perform a computationally intensive task such as photo-editing in a background tab while the user is attending to something else, like e-mail, in the foreground.

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The root user, by the by, is the system administrator account, something we'll also discuss in more detail later.

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Novell has always done well with network engineers and other technical types in user organizations, but the decision to go with something as strategic as an enterprise directory is made at a much higher level.

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This is something advised by major providers of wi-fi but not often set up by the user.

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Meanwhile, just as YouTube is shifting gently away from user-generated content and the long tail, Apple is making key changes that could signal something significant.

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