If this stuff looks familiar, you were definitely born after 1900!
You've experienced air conditioning.
1902: The first modern electrical air conditioning unit was invented by Willis Haviland Carrier in Buffalo, New York.
Source: flickr.com
You've colored with a crayon.
1903: Crayola brand crayons made their debut in 1903. The crayons were sold for five cents and the colors were black, brown, blue, red, purple, orange, yellow, and green.
Source: forum.xcitefun.net
You've washed your clothes in an electric washing machine.
1904: Electric washing machines were first mentioned in newspapers.
Source: flickr.com
You have listened to a person speak on the radio.
1906: Reginald Fessenden used a rotary-spark transmitter to broadcase the first radio program from Ocean Bluff-Brant Rock, Mass., on Christmas Eve. He played "O Holy Night" on violin and read a passage from the bible.
Source: cpinfo.berkeley.edu
