4. The number of TV channels being a single digit.
6. Rotary dial televisions with no remote control. You know, the ones where the kids were the remote control.
17. That there was a time before ‘reality TV.’
21. 5- and 3-inch floppies, Zip Discs and countless other forms of data storage.
37. Finding out information from an encyclopedia.
45. Not knowing exactly what all of your friends are doing and thinking at every moment.
58. Putting film in your camera.
72. Not knowing who was calling you on the phone.
91. Having to manually unlock a car door.
You can see the full list here.