Quote:
Originally Posted by kranu
A better example would be:
You buy a car, you can only drive on the road. You can't drive on the railroad tracks.
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No, that's even worse example. The more precise would be that you have a car that can drive on all free public roads (with some recalibration (Calibre) of tires) but only on certain toll roads. In fact, there are two types of cars A and B and A cars can drive only on A type toll roads (mobi) and B cars can drive only on B toll roads (epub). In most cases roads A and B are build parallel to each other so it is not an issue for majority of drivers.
The entrance on road A or B are controlled by a sensor device that checks tires for specific hidden patterns (DRM). In rare cases when there is only one road that does not correspond your car type, you can install a special tire-pads (de-DRM) to cheat the toll-road sensor. The procedure is simple and cheap and many do this although it is illegal.
