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A Swedish company has implanted microchips in its staff which allows them to use the photocopier, open security doors and even pay for their lunch.
It is hoped that eventually around 700 employees from the Epicenter hi tech office block in Stockholm may eventually have the chips implanted into the back of their hands.
The chips use radio-frequency identification (RFID) and are about the same size as a grain of rice.
They store personal security information which can be transmitted over short distances to special receivers.
RFID chips can already be found in contactless cards - including the Oyster system which is used by more than 10 million people to pay for public transport in London.
They are also similar to the chips implanted in pets.