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Today it is almost inconceivable for a business not to have computers, whether it is a construction company or a high technology firm.  When a business has more than one computer, they are almost always connected together in a local area network. These networks may be more or less advanced and therefore more or less [...]

In the real world, businesses come in every size, from self-employed entrepreneurs like me to mega malls like Wal-Mart.
On the Internet, companies come in every size, too, from a stand-alone ebook sales page with webmaster and owner all in one, to 300 pound gorilla like Amazon, with over a million pages, who requires the entire [...]