100 years ago.... Only 14 percent of the homes in the United States had a bathtub. There were only 8,000 cars in the US and only 144 miles of paved roads. Alabama, Mississippi, Iowa, and Tennessee were each more heavily populated than California. With a mere 1.4 million residents, California was only the twenty-first most populous state in the Union. The tallest structure in the world was the Eiffel Tower. The average wage in the U.S. was twenty-two cents an hour. The average U.S. worker made between $200 and $400 per year. Sugar cost four cents a pound. Eggs were fourteen cents a dozen. Coffee cost fifteen cents a pound. Most women only washed their hair once a month and used borax or egg yolks for shampoo. Drive-by-shootings - in which teenage boys galloped down the street on horses and started randomly shooting at houses, carriages, or anything else that caught their fancy - were an ongoing problem in Denver and other cities in the West. Plutonium, insulin, and antibiotics hadn't been discovered yet. Scotch tape, crossword puzzles, canned beer, and iced tea hadn't been invented. Some medical authorities warned that professional seam- stresses were apt to become sexually aroused by the steady rhythm of the sewing machine's foot pedals. They recommended slipping bromide - which was thought to diminish sexual desire - into the woman's drinking water. Marijuana, heroin, and morphine were all available over the counter at corner drugstores. According to one pharmacist, "Heroin clears the complexion, gives buoyancy to the mind, regulates the stomach and the bowels, and is, in fact, a perfect guardian of health." Coca-Cola contained cocaine instead of caffeine. There were about 230 reported murders in the U.S. annually.