Number of people who own TVs, cars, refrigerators, air conditioning, dishwashers, microwaves, ovens, appliances, entertainment devices, mobile phones, copy mach

Number of people who own TVs, cars, refrigerators, air conditioning, dishwashers, microwaves, ovens, appliances, entertainment devices, mobile phones, copy machines, personal computers, laundry machines, among the plethora of several other consumable goods have gone up substantially. Try buying a personal computer in 1970, and see how much it'll cost you. Each device I've mentioned have also substantially improved.