You probably already know that you can take that desktop computer you leave on all the time and use its spare computing power to look for
extraterrestrial intelligence or
a cure for cancer. Swell. But suppose you're not so much into saving the world? Suppose you want to just save your data? Or make a few bucks? Check out these three services that use your PC's storage and bandwidth to serve you--not the world.
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Source: Webware
