“The whole industry got replaced by an iPhone in portrait mode and one aunt who owns a ring light.”

"There's a 24-hour typewriter repair store in Brooklyn in the early 2000s. But if you go in there, make sure you see nuthin'! Ya hear? You don't see nuthin'!"

"Movie theaters and cable TV feel like they're on that list too. Younger folks just default to streaming and never build the habit."

"Most people I know just stream everything now, and younger generations don't really see a reason to pay for hundreds of channels they'll never watch."

"Travel agencies. I'm surprised they're even still around since it's way more convenient to book trips online from your own home."—u/OkPainter6232

—u/Zetsubou51Not so fast. "I would think shoe cobbler, but happy to report that they seem to be thriving. 🎉. Great to see fewer my local shop has almost 2-month backlog."—u/Inside_Dance41

"Dry cleaners! All of our local ones have closed in the past 10 years. The closest one is like a 40-minute drive!"—u/crabrangjoon

"Younger folks just don’t hang around, subscribe, or flip pages like before. More focus on phones/gadgets, I guess."

And similarly, learning to play music in general. "I am a musician. When I was in high school, you could put four full bands together just from my class. Now, they cannot put one full band together in my daughter's school. Being in a band was the most important thing for my generation as teenagers."

"More smaller craft breweries/tap rooms are closing permanently because Gen Z doesn't want to drink. The Greatest Generation, the Silent Generation, the Baby Boomers, Gen X, and the millennials have been keeping breweries alive since the turn of the 1900s. I think sales began to drop nationally by the tail end of the millennials."

"Alcohol is so damn expensive now, and young adults pay more attention to the health risks."

—u/Roadkill_Gaming"Malls. Every old-school mall I go to is basically empty, and the newer ones are barely even malls."—u/RomanRebel

"No one’s rich enough or addicted enough for that, I suppose. And even if they are, they certainly aren’t admitting it online."

"Grandfather clock makers. I still don’t know how something of that level of craftsmanship and quality can be sold on Facebook marketplace for less than a family dinner and Denny's."—u/Newlife_40

—u/xMogwai“Who sends postcards anymore? I once chatted to some younger friends and told them I'd send a postcard of my upcoming trip. They looked at me like I was someone from outer space.”—u/dread718

— u/SpydeySomething similar: "Tabletop role-playing game publishers. Why buy those expensive books when a phone app or two will keep you entertained for hours?"

"American Chinese restaurants, primarily owned by immigrants who strive for their children not to work as hard as they did."—u/chaoticbliss

Note: Some responses have been edited for length and/or clarity.