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Microsoft, Yahoo, others sued by Softvault over DRM

theinquirer.net — SEPARATE CASES were filed against Microsoft, Yahoo and a spate of other tech firms in the US last week, alleging patents covering digital rights management (DRM) were breached by the firms.

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  • Netweb, on 10/12/2007, -0/+0From the Softcault link on the the above page.

    Access to software programs or digital content, or to a device, is enabled by periodic authorization messages, akin to a "heartbeat," exchanged between the server and client agents. As long as these periodic authorization messages continue to be exchanged, access is enabled. If for any reason the authorization messages are terminated, access is disabled. In the case of software or digital content, disabling may involve encrypting or deleting files.

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