The fan is located on the computer's CPU unit and when that thing gets clogged with dirt and dust, it can run down a computer faster than you can say, "Something's wrong with my computer and I don't know what it is!" In short, the fan is responsible for keeping a computer's motor cool and this motor is what keeps the computer's hard drive and peripherals functioning the way you need them to, which translates to "fast. The product crosses all demographics and thanks to decreasing costs - it sees no economic boundaries as well. The Wikipedia encyclopedia claims that "Out of 1 billion camera phones to be shipped in 2008, Smartphones, the higher end of the market with full email support, will represent about 10% of the market or about 100 million units. Shareware is all over the Internet and it's really hard not to bump into it. The most popular places to find shareware is within thousands of download libraries, however the companies (and even independent programmers behind shareware) are increasingly offering shareware from their own websites. A simple Google or Yahoo search for a particular type of program will yield all sorts of results that point you toward items that you can try before you buy. Conditions allow a program to perform an action based on the outcome of a previous command.3 Using this type of instruction, we could instruct a program to do one thing if the "x" variable in our latter example turned out to be 7 days, and then do different thing if the variable turned out to be 3 days. Basic GUI Terminology Knowing What You're Working With Helps Technicians Getting help with your computer software can be easier when you know the correct terms to use. One of the biggest problems that new computer users have with technical support is not knowing how to correctly describe the problem that they're having. What Grandma doesn't realize however is that a used computer is an excellent training tool that she can use to prepare herself for something "better" in the future. We always say, "'Tis better to screw up something on an old, used machine than to screw up everything on a brand new one!