By way of demonstration, he was joined on stage by a representative from Applied MetaComputing, which makes operating system software for distributed peer-to-peer applications.

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Widely distributed Android malware has exploited known security vulnerabilities in the Android operating system for which fixes from Google existed, but which the vast majority of consumer devices had not received at the time of infection.

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In addition to Android Market, the runtime is distributed directly by device manufacturers and operators via pre-installs and operating system upgrades.

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In August, F-Secure released the first-ever distributed antivirus product, for mobile devices running Symbian's EPOC operating system, and expects to follow with other wireless platforms.

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Initially seen as a way to enhance web pages, Java was soon talked of as a lingua franca for computers: small programs, called applets, written in Java would be distributed via the Internet and downloaded to run on any computer, regardless of operating system.

ECONOMIST: Sun and Microsoft