Unless the activities on your computer are restricted to pure textual output (plain text files), your computer is going to get filled with a lot of "stuff" - stuff that can overfill a PC's capacity too much for the computer to function well. The problem is that while upgrading a computer is always an option, technology advances so fast that newer products (such as memory chips, new drives, etc. " Click "OK" and you'll notice that the files in Windows Explorer show a dot and group of three letters after their names. That dot and group of three letters is known as an "extension," and the extension explains what kind of file it is. A file could be a plain text file, an image, a sound, a video, or program. As mentioned, smartphones give us the ability to not only carry our data around with us where ever we go, it also gives us the ability to edit that data any place - any time. In today's "reality" based generation, we're always looking for the opportunity to capture and relive a moment. And we want to share that moment with others. File compression combines a number of different files into one file, and it can also significantly reduce a very large file to a smaller one. As a result, the transmission of a compressed file across the Internet is faster and smoother. This article looks at compressed files a little closer and it describes how to compress and decompress them using two of the most popular archiving programs. Voice command software allows users to tell a computer what to do and the computer responds by fulfilling the user's commands. Although it's pretty new and still under development, voice directed technology has already infiltrated consumer service related systems. Think back to the last time that you paid a bill over the phone. Perhaps we could make an effort to educate the people who want put viruses into the public about ways to display dissatisfaction with a service or product that don't involve harming innocent parties. In doing so, we just might reduce the number of virus news stories and protect our own investments at the same time.