Like many users, my RPi will be used as a low-consumption micro server and will be powered continuously. All the computing time is not used and could help distributed computing projects like Folding@home or SETI@home, even if the CPU is not designed to do heavy computing.
Is it a bad idea to run a distributed program on the RPi continuously? Even if it cannot shut down like a common computer, will the RPi "shut down" when its CPU reaches its max temperature to prevent overheating? Will it shorten the lifespan of the device?