Looks at the social implications of having all of one's technology in a single device and the notion of being plugged into information and socially available all the time.

"What's your human footprint? Well, it's 13,056 pints of milk; 28,433 showers; 12,888 oranges; 14,518 candy bars; 43,371 cans of soda; and $52,972 worth of clothes, all in one lifetime. And that's just a fraction of the mountain of stuff you'll consume. Think of that times six billion other footprints. Makes you want to step more lightly on the Earth!"--P. [4] of cover.

During the hottest days of the summer of 1863, while the nation's attention was focused on the small town of Gettysburg, another momentous battle was being fought along the banks of the Mississippi. In the longest single campaign of the war, the siege of Vicksburg left 19,000 dead and wounded on both sides, gave the Union Army control of the Mississippi, and left the Confederacy cut in half. Christopher Waldrep takes a fresh look at how the Vicksburg...