The 1917 Chesapeake and Potomac Telephone Company publication "How to Use the Telephone, 1917" is a clear, sensible guide to managing your "delicately adjusted instrument," including useful tips like finishing your calls with "good-bye" so that the other party doesn't suppose that the operator has cut them off.
I write books. My latest is a YA science fiction novel called Homeland (it's the sequel to Little Brother). More books: Rapture of the Nerds (a novel, with Charlie Stross); With a Little Help (short stories); and The Great Big Beautiful Tomorrow (novella and nonfic). I speak all over the place and I tweet and tumble, too.