In Overconnected, Bill Davidow, a former Silicon Valley executive, explains how the almost miraculous success of the Internet Web has also created a unique set of hazards, in effect overconnecting us, with the direst of consequences for our political, economic, and day-to-day lives. The practical applications of this new medium - not least among them the ability to borrow money, invest in the stock market, or buy a new home - have made it a force...