We used to say Raid is not a backup. Its a redundancy

Snapshots are not a backup. Its a system restore point.

Only something offsite, off system and only accessible with seperate authentication details, is a backup.

They need to make (most favoured nation status) illegal. Sellers should be free to set the price they want on any platform. If a seller can offer it cheaper on their own site, or on another platform, they should be allowed to.

Its that way with many technologies. The lead time on such research is long enough that market factors alter the viability by the time it is ready to get commercialized.

Quite often innovations from prototype technology can be transplanted into existing tech for part of the benefit, without having to build new production capacity. So the new technology does not commercialised, but the learnings from it does.

If the mechanism exists for a app to switch it off, you can guarantee that Meta is using it all the time.