You're many years late to the MiniDisc revival.

>until maybe hipsters revive that too like they have with tapes?

That is already happening. I like to frequent Vintage Computer Festival and for the last few years a few of them have had MD-Con as part of a convention within a convention. A whole room dedicated to MiniDisc tech showing off laptops, desktops, camcorders, pro-hifi gear, etc. There is a collector that even brings a large portion of his collection which is all in blue including rare blue color minidiscs themselves from company promo's. One example is a promo MD from Boss Coffee in japan which looked fantastic.

There is even a revival in the software used to burn/format minidiscs since most of the original software is ancient now.

Its pretty fun to visit them as someone who used a minidisc player through highschool and college until I got the original Microsoft Zune. A lot of the people I met at the last two MD-Con's loved looking through all the models presented at the con to try and find the same device they back in the day.

https://www.mdcon.live/

> When I hear Walkman I only think of cassette tape

Same here.

I was just recently wondering if there were any places that sell Walkman's still. I remember walking around Seoul and ended up in a maze of closet sized electronic and nick-nack shops with some really random old parts and gadgets. Made me miss my old boombox. Thought that would be a good place to go back and look for a walkman, but the Maxell MXCP-P100 – wireless cassette player looks perfect