jpg format (the latter two being the most commonly format used for Internet eye candy). Media Player. Real Player and QuickTime are the first programs we think of when we think about multimedia. But Windows Media Player, also free and pre-installed, does a fine job at transmitting Internet-bound sound and video. Many different programs often share Dynamic Link Libraries and you'll find a bunch of them in the Windows/System directory (but don't ever delete them)! .exe - This extension indicates a program or an application like Microsoft Word, Internet Explorer, or Outlook Express. Use extreme caution when downloading . 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. Certainly enticing buys, there are a few problems with buying software off the shelves. On the shelf, software - otherwise known as "commercial software" - can be expensive, and incompatible, and outdated when compared to what's available online. Fortunately, there's an alternative to commercial software and although it isn't new, it's one of the most under-exploited opportunities in the computer industry. But this method merely "relieves" the symptoms that these files induce - it doesn't attack the cause. These files need to be deleted - not "organized!" Of course, deleting files can be a scary adventure to most users. Most computer users don't know which files are safe to delete and which aren't. Understanding Compression What It Is and What's Involved Downloading files from the Internet has always been one of the most popular activities on the Internet - third to sending email and browsing the web. We download files from software libraries, ftp directories, YouTube and Google Video, MP3 sites, and we download files sent to us as email attachments.