“I think the craze disappeared in a year because it gave people headaches.”
(I recently found my hair feather collection; what a time.)
Here are some of the short-lived trends they mentioned.

“Remember in the early 2010s when there was a frozen yogurt place on every block?
Two or three years later, they all seemed to vanish, and nobody wanted froyo.”
2.“Planking.”

u/No-Self-Edit
“So simple, silly, and harmless.
I liked it.”
u/AlessandroTheGr8
3.

“Those that got a mustachetattooon the side of their finger, y’all OK?”
“TheHarlem Shake.”
u/simpersly
5.

“Segways were going to revolutionize transport.”
6.“NFTs.”
u/joe_chicago
“I was so freaking glad when this went away.

And then they bottomed out.
u/WardenCommCousland
7.
“Cup stacking was big for a minute.

The middle school even had cup-stacking competitions after school.”
“The fidget spinner craze was wild!
It’s like they went from ‘Look at me, I’m stress-relieving!’

to ‘Why do I have 12 of these?’
faster than you’re able to say, ‘What was I thinking?'”
u/Both_tits0566
9.

“The whole 3D craze back in like 2010.
Everybody thought it was the future afterAvatarcame out in theaters.
EVERY movie tried to be 3D.

After that, there were 3D TVs, 3D phones, and the Nintendo 3DS.
I think the craze disappeared in a year because it gave people headaches.”
“Guys wearing two polo shirts and popping up both collars.”

I worked at a PacSun at the time, and we sold SO MANY of those.”
u/unhinged_behavior
11.
“Google glasses.”
“Four Loko with caffeine.”
u/ehandlr
“Original formula Four Loko was a night in a can.”
u/imjusta_bill
13.“Sillybandz.”
One side CD, the other DVD.
It lasted by about two years around 2006."
u/Unlikely-Star-2696
15.
“The Livestrong-key in rubber bracelets.
I remember my mom driving me to multiple stores in third grade to find some.
I soon discovered a rash from them.”
u/shananies
“Themannequin challenge!”
u/Ok_Cupcake_5226
17.
“Feather earrings in 2011.”
“The mobile gameDraw Something.
It got hugely popular quickly, then purchased, and then everyone stopped playing altogether.”
u/RandomPoster7
19.
“Arguments over whether the dress was blue and black or white and gold.”
20.“PokemonGo.
Then there’d be a group huddled together because they were taking down a gym or something.”
u/LuvYouMost
21.
“Barefoot toe shoes.
I can’t even remember the last time I saw anyone wearing a pair.”
“People dressing up like creepy clowns and showing up in random places at night.
u/BS_Analyzer
Note: Some responses have been edited for length and/or clarity.