Unlike services like Facebook and Twitter, which invited third-party developers to build on top of their platform and then turned around and offered competing services, App.net is conceived as a pure API a set of programming instructions that let developers access a real-time feed.

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The trouble with this approach to the relatively slow interconnection of the processors, latency and lack of real-time security is that there are synchronization and communication challenges, software programming complexities and other issues that are exacerbated in a cloud computing environment.

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The XO is packed with hyper-designed creativity worthy of Apple, including a unique software environment that lets kids collaborate in real time on applications ranging from a simple programming simulation to music-making programs (three come pre-installed) and even an application for using sonar to pinpoint the computer's distance from other nearby XOs.

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The XO is packed with hyper-designed creativity worthy of Apple (nasdaq: AAPL - news - people ), including a unique software environment that lets kids collaborate in real time on applications ranging from a simple programming simulation to music-making programs (three come pre-installed) and even an application for using sonar to pinpoint the computer's distance from other nearby XOs.

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Comprehensive multimedia coverage from ESPNFC includes on-demand video highlights, studio programming clips, news, analysis and commentary, digital audio and podcasts, real-time scores, stats and more.

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