Now it appears Microsoft is getting closer to making this reality, according to websites that have published leaked early builds of the next-generation operating system.

A VISUAL HISTORY:

A "detect human presence" API is in an early copy of Windows 8, according to an which links back to leaked Windows 8 images .

Details are scarce, but this could be related to facial recognition technologies noted in mid-2010 in that Microsoft shared with partners.

After those planning documents were leaked last year, we reported the following: