PCWorld.com - 20 Things They Don't Want You to Know

PCWorld.com - 20 Things They Don't Want You to Know: "Psssst! Wanna know a secret? How about a whole bunch of them? Sadly, the Colonel's Secret Recipe and Dick Cheney's Secure Undisclosed Location remain shrouded in mystery, but I'm going to spill the beans about a bunch of things that technology companies would rather you didn't know. These insider tips will help you cut through hype when you shop, save money when you buy, and get the most out of products you already own.

Here's a CPU manufacturing secret: Most CPUs can be overclocked to run at least a bit faster than usual, giving your PC a free speed boost. And on some rare occasions, low-end chips are capable of running just as fast as much more highly priced CPUs. But while overclocking can speed up your system, note that you must take care to properly cool your PC, or you might damage the CPU--and most system warranties won't cover that damage."