Say you live in a dense city. Your apartment is on the 14th floor with tall buildings all around. And, for this mental exercise, let���s pretend you���re an avid voyeur. Each evening, you pull out your binoculars and spy on your neighbors. There���s a cute guy cooking dinner just across the street. In the next building over, an old woman reclines in front of the TV. You can even see what show she���s watching. In another apartment, lovers kiss, never realizing they���re being watched.You quickly realize