The three of us began our tech careers at a small local Internet service provider, where every dollar was sacred and wasting one was the equivalent of sacrilege. What we discovered then is still true today: Any way you cut it, spam wastes money. Organizations and individuals devote more time, money, and strategy to thwarting...

The planets Mercury,Venus, Mars, Jupiter, and Saturn—all visible to the naked eye—were known to ancient peoples. In fact, the Romans gave these planets their names as they are known today. Mercury was named after their god Mercury, the fleet-footed messenger of the gods, because the planet seems especially fast moving when viewed...

A recent CBS poll revealed that, as a result of corporate scandals at Enron, WorldCom, Adelphia Communications, and others, a whopping two-thirds of Americans believe that corporate executives are dishonest. This overall assessment is even worse now than during the last financial crises, the savings and loan debacle of the 1980s....

In his first book since the bestselling Fermat's Enigma, Simon Singh offers the first sweeping history of encryption, tracing its evolution and revealing the dramatic effects codes have had on wars, nations, and individual lives. From Mary, Queen of Scots, trapped by her own code, to the Navajo Code Talkers who helped the Allies...