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Just the Fax, Ma’am

This afternoon, I received an email from a Fast Company reader asking, “Do you know how fax machines know what to print?” I didn’t, but I asked Jeeves, and he found this great explanation written by Marshall Brain for Howstuffworks. Readers don’t always ask us to do Web research for them, but I was happy to help — and now I know how a fax machine works, too.

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