We are fairly techno savvy in our household. As computer-literate iUsers, we can, for example, select music through devices that are not plugged in to the speakers from which the sound emanates, or we can piggyback devices to expand functionality. However, a working knowledge of how to use the technology at our disposal doesn’t necessarily imply complete understanding of the science that goes into making them function. So imagine how thrilled I was to discover the explanation for how skype works! It’s nothing more than pigeon post and wires!

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