A However, in the near future, these cards will also contain a microchip, which will be able to store lot more information.
B We can't even be sure of privacy when we make a phone call.
C This is the price we pay for the convenience of using cards instead of cash
D We must ask ourselves whether increased public safety and convenience will come at the cost of our privacy, and whether or not this is a price we are willing to pay.
E Your colleagues will know you have arrived and your computer will recognise your voice and automatically log you on F some car rental companies are already using this know where their vehicles technology in orde are being driven at any time G Using special floor tiles, computers are able to identify people from the way they walk, H In some buildings there are even cameras in smoke detectors, clocks and exit signs.