1

What dial-up service provided early internet access, complete with hourly rates and “You’ve got mail” alerts?

2

What video format, played using large magnetic tapes, competed with VHS in the 1980s but ultimately lost the format war?

3

What flat, disc-like video format, popular in the late 1970s and early 1980s, was larger than a vinyl record and used for playing movies?

4

What optional car feature, popular in the 1950s and '60s, could cool air using water evaporation instead of refrigerant?

5

What large, box-like appliance combined a radio and record player, and was often built into furniture?

6

What handheld device, popular among professionals in the 1990s, allowed users to receive short text messages but couldn’t send replies?

7

What 20th-century method of transmitting written messages over long distances used Morse code and was eventually replaced by the telephone?

8

What text technology allowed early cell phone users to type out messages before full keyboards and touchscreens became standard?

9

What classroom device projected images from transparent sheets onto a wall or screen using a bright light and mirror?

10

What simple calculating tool, replaced by modern calculators and computers, used sliding rods to perform arithmetic operations?