people used to 1. T elevisions (1926) People used to read more books. 2. Electric lights (1879) People used to use oil lamps and candles. 3. Alarm clocks (1847) People used to sleep with the windows open to wake up to the sunlight. 4. Camera (1814) People used to use camera obscura. 5. Telescopes (1608) People used to use concave mirrors or did it with the naked eye. 6. Guns (about 1,000 years ago) Before they used to swords, arrows, etc. 7. Written words (about 5,000 years ago) Before they used to use oral messengers 8. Farming (about 10,000 years ago) People used to hunt, fish and gather.