Communication

<p><span class="deck">The making and breaking of codes and ciphers has played an exciting and often crucial part in American history</span></p>

<p><span class="deck"> The U.S. Post Office, 1775-1974</span> </p>

<p><span class="deck">This is the story of AT&amp;T, from its origins in Bell’s first local call ,to last year’s divestiture. Hail and goodbye.</span></p>

<p><span class="deck">The urge to move documents as fast as possible has always been a national preoccupation because it has always been a necessity. Faxes and Federal Express are just the latest among many innovations for getting the message across.</span></p>

<p><span class="deck">Though it appears to have sprung up overnight, the inspiration of free-spirited hackers, it in fact was born in Defense Department Cold War projects of the 1950s.</span></p>

<p><span class="deck">The telegraph was an even more dramatic innovation in its day than the Internet</span></p>

<p>Arthur Clarke predicted that a revolution in communications would bring electronic mail, telecommuting, the internet, and inexpensive long-distance calls in an important, but forgotten 1962 essay, published by <em>American Heritage</em>.</p>