Radio-frequency identification (RFID) technology uses radio waves to transfer data between a tag and a reader. Its main use at the moment is to track movement of assets by giving each item its own unique identifying number. This is not limited to a number of records, as it is possible to give every object in the world its own identifying number.

This technology allows companies to track stock – each and every stock item – that sells from a department store, allowing them to work out their demographics for all products.

Imagine this technology being used in humans. Imagine every movement you make is tracked and recorded. Imagine that there was software that could trend your movements and predict where you would be and when you would go there. I know there is as I used to build and write software that would do this for an international company that had gone through the process of putting RFID tags on all products.
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