Unprotected sex was safe (and fun and available!).
A fag was something English wanna-be's smoked.
Boeing 707's were the shit for transcontinental flight, and you could fly Braniff, TWA, Pan Am, Eastern, Piedmont, Hughes Airwest, and flight attendants were called stewardesses, and were uniformly hot females.
Silicon Valley was the shitty part of the Bay Area, and the only thing to see there was the Winchester House, and then only if you were driving through, since it was on a par with the Mystery Spot in Santa Cruz.
European countries all had their own currencies, and they were cool- Marks, Francs, Drachma, Kroner, and traveling was a bitch because you had to know exchange rates against thirty currencies.
There actually was a place where all the Communists lived, it was called the Soviet Union, and it was creepy as hell going there, and accidentally smuggling in 4 ounces of hash from Copenhagen damn near gave me a heart attack when I discovered it in my backpack, AFTER the border search.