" A dirty fan doesn't rotate fast enough to keep that motor cool and a completely clogged fan just stops rotating altogether. This causes the computer's motor to work harder - and a harder working motor can raise the electric bill! Worst case scenario: the motor can overheat and stop working as well. When Less Is More Clean Your Disk Drive of Unnecessary Files and Your Computer's Performance Will Improve When it comes to maintaining your computer, you've probably heard it all before. "Run Defrag!" "Scan Your Disk for Errors!" Although these two activities are important, there's more you can do to extend the life of your computer beyond today's predicted two-year span. Under no circumstances, should children give their personal names, home addresses, phone numbers, or school information to anyone over the Internet regardless of the situation. In the even this information is required to enter a contest of some sort, be sure that you're the one who makes the decision to supply it and that you're the one who does it. This is almost unheard of in stores like Best Buy, Circuit City, or Egghead, yet the shareware programs offered within this price range rival even Microsoft's Office suite. Another advantage that shareware has over commercial software is its compatibility. We're not saying that shareware is compatible with all operating systems. The truth of the matter is that the programs pre-installed are great tools for the beginning computer user. At some point down the road, usage will dictate a need for more powerful applications. We may need a word processor that can convert a document into an HTML page or PDF document. We may need a calculator that solves geometric problems. Assuming that a computer is set up to operate on touch command - the answer is again, yes! Touch command software allows users to literally touch objects on a monitor and tell the computer what to do with a finger. Known as "kiosks," these programs are already in use world wide at ATM machines, employment centers, and in health monitoring systems.