So, arguably, were yo-yos. I saw an article in a classical journal that claimed that yo-yos were used in the Classical Graeco-Roman world. They were called aristoboli (among other things), and a statue was presented that, it was claimed, originally had a yo-yo in its hand.
The Wikipedia article on it cites different evidence, but has a Greek painting showing someone playing with one, and claims it dates back to at least 440 BCE
Technically it’s not TV sets- you can completely legally have a TV set hooked up to a DVD player with no licence, if it can’t get a TV signal. You do, however, legally need to have a licence if you watch live TV online. Even if it’s not BBC. Or BBC stuff that isn’t live. It’s also not actually the BBC collecting the fee and they don’t automatically get it.
It’s all a little weird.
I wouldn’t say the vans were exactly ubiquitous anyway- I’ve not seen one for years, but they were a much rarer sight than their reputation would suggest during my lifetime at least. I only saw one a handful of times, though a few friends got busted by in-person checks (mostly uni students). They’ve been largely replaced by vague, extremely regular threatening letters, which really are ubiquitous if you don’t have a licence; I hope they go away soon.
a) It’s hula-hoop. You know, hula, the Hawaiian dance.
b) It has been agreed that we are not counting fads like toys (e.g. rubik’s cube), games (e.g. trivial pursuit), haircuts (e.g. the mullet), or clothing (e.g. poodle skirts). Those are too ephemeral, and too numerous, for a thread like this.
“Stand Here” stickers 6 feet apart on the ground for lining up during COVID. All of a sudden they were everywhere (and many still are out there) but they are completely ignored and useless now.
In the psychedic music community I frequent, it is still quite prevalent. Granted, that is a tiny subset of the general population, but hippie women still exist.
The hobby was just starting out around the time I was born. It was a major form of adult games in the seventies and eighties. And then it faded out as computer games and euro-style tabletop games took over in the nineties.