I have known for a while now that the following technology ill describe below exists and maybe this is old news for some but im pretty sure not everybody is aware of smart screen technology enables a greater number of interactive advantages, but you may not be aware that it can be used as a sort of camera as well in particular as a use for bio-metric analysis.
Link on patent
The technology described above uses individually autonomous pixels to turn your phone or computer screen into a camera in fact any group or even individual pixels can be programmed to do this as you watch the screen showing you a display. So you can block or tape over your camera to get a sense of privacy but they can still see you !
This technology introduces Autonomous Transducer pixels. A transducer can do the following
From Wikipedia, the free encyclopedia
This article is about an engineering device. For the similarly named concept in computer science, see Finite state transducer.
A transducer is a device that converts energy from one form to another. Usually a transducer converts a signal in one form of energy to a signal in another.
Transducers are often employed at the boundaries of automation, measurement, and control systems, where electrical signals are converted to and from other physical quantities (energy, force, torque, light, motion, position, etc.). The process of converting one form of energy to another is known as transduction.
The Transduction is then converted to information to be transmitted.
Another technology we should be made aware of is the use of power lines to gather, sort and re route this information specifically. Hence the need for Smart Meters. I was part of a think tank for an un related technology back in 2007 when one of the people present let this slip to me in private the following.
When you plug a device into the power socket it can now send digital sub-carrier information to the smart meter. So while we are deliberating about privacy regarding traditional cameras and microphones which to some extent can be blocked , we cant block our screen or we cant see what we are doing essentially making it the best spy device of the century ! Not only that it allows the actual screen to become one giant microphone capable of telling up to 6 or more voices apart in a noisy room.
My advice is even if you have your camera or microphone blocked or removed ( physically ) stay clear of any screens !