OS X Mavericks new feature: detects user presence through a light sensor and prevents access to sleep

OS X Mavericks contains a new feature that allows light sensors built into many Macs to detect movement in front of the machine, so that even if the user is not using a Mac, the light sensor can detect the presence of the user and prevent the system from activating the sleep function. Developer Jonathan Wight confirmed the feature, with the original idea that Mavericks used the isight camera to detect movement and then found that the light sensor was used.

The user has been able to set the time for the Mac computer to hibernate according to his needs. However, in the Mavericks system, many Mac computers become more intelligent and can detect whether the user is still sitting in front of the machine.

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