Best and Worst Inventions Description

These are my best and worst inventions, not from a survey. 
Selecting best versus worst I determined by what is a necessity for the best
and what is not a necessity for the worst.
Each invention is followed by some of the things that developed from it. 

Best Inventions

1. Wheel - Pulley, anything that moves
2.  Indoor Plumbing - Faucets, Hot Water, Toilets, Showers, Heat
3.  Glass Windows - Heat, Sliding Doors, Sky Lights, Solar Power
4.  Printing Press - Bible, Books, Newspapers, Magazines, Posters
5.  Telegraph - Radio Transmission, Telephone, Satellites, Wireless, Fiber Optics
6.  Automobiles - Trucks, Tractors, Heavy Equipment
7.  Airplanes - Jets, Rockets, Space Shuttles, Space Stations
8.  Radio Broadcast - Media, Recordings, Entertainment, Television
9.  Calculators - Computers, PC's, Internet, Laptops, Smart phones
10. Lasers - Communications, Surgery


Worst Inventions

1.  Gunpowder - Rapid Fire Weapons, Bombs, Killing
2.  Cigars - Cigarettes, Pipes, Cancer
3.  Liquor - Gin, Scotch, Vodka, Whiskey, Narcotics, Addiction
4.  Stock Exchanges - Depressions, Recessions, Greed
5.  Slot Machines - Gambling
6.  Accessories - Jewelry, Jewels, Decorations, Greed
7.  Cosmetics - Make up, Nail colors, Hair Colors, Vanity
8.  Birth Control Pills - Free "Love", Unwed Mothers, Abortion
9.  Fast Food - Lesser Quality Meals(food & family time),  Immediate Gratification
10. Malls - Minimize Local Businesses, Minimize Communities, Greed

My worst inventions are not bad by themselves.  It is how they are used, or abused .

I welcome any comments and suggestions.