See JMAP Destroy All Monsters by the protocol author for an intro.

JMAP Destroy All Monsters

Services are currently drop POP3 support. Gmail and Microsoft among them. I would consider it obsolete.

IMAP is very much alive but has so many pain points that JMAP was created to replace it, along with CardDAV and CalDAV for calendar and contacts.

Fastmail created and uses JMAP and Stalwart has first-class support for it.

This is what Mozilla’s Thundermail service uses.

Yes, memory prices are affecting a lot more than people who want to run local models on high-memory desktops. That’s a small minority compared to all computer uses affected by the memory prices.

He’s referring specifically to local RAM used to run local AI models, whichl he argues is unused most of time. Say if you use your local AI for 4 hours a day, it’s idle for 20. Where the same model in a cloud might serve users across time zones 24/7.

It’s a similar argument about private car ownership, where a car might be used 5% of the day for a lot of people while 95% of the time it requires storage space, aka a parking spot somewhere.