If you have two or more computers, then having a server makes sense. Typically companies have their documents, e-mail, spreadsheets, etc. spread over multiple computers. This makes it difficult to find information; especially to find the latest version of any document. E-mail is spread over a number of computers, and typically never gets backed up. Yet more than 50% of a company’s crucial data is in e-mail format. Sending e-mail to each other actually goes over the internet, and increases online costs
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