Things you have to be my age or older to remember:

1. Watching people walk on the moon, live, on a TV that took half an hour to warm up
2. Monophonic AM transistor radios with one big white ear-bud that you used to secretly listen to Brave New Waves at 2:00 a.m. without your parents catching on
3. 25¢ comic books
4. 300 baud audio-coupled modems
5. Slide rules
6. Flash cubes
7. Sending audio cassettes through the post to share music with your friends
8. Stubbies
9. Taping a penny to the tonearm
10. Rotary phones, busy signals, and 5-digit dialling
11. Not being able to recharge your batteries, ever.
12. Lawn darts and fly-mows
13. Getting candy at the dentist
14. "What fits into Russia?"
15. People smoking in the hospital waiting room
16. Carrying a dime in case you had to make an emergency phone call
17. Having the doctor come over when you were sick
18. Metal rollerskates that clamped onto your shoes with a key
19. Free tickets to the P.N.E. at the end school year with your report card (not to mention using periods in abbreviations like "P.N.E."!)
20. Planning your spending around needing to go to a live teller, between 9 a.m. and 3 p.m.,  Monday to Friday, at your bank branch only to get money. Period.