Sure you are happy with your Pi and neither will you allow the cat to come closer. Although maybe it hanging by a wire to the TV, and occasionally your mother clean the dust.
What would you do with more than one Raspi? World domination! of course, but what you can do is connect them to create a farm of computers to increase computing power.
Here is the manual to create a supercomputer.
Link: [southampton.ac.uk](http://www.southampton.ac.uk/~sjc/raspberrypi/)
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