[Rohansi]

Multiplayer video games are the big one. There's no reason why you couldn't apply the same kind of synchronization to a web app. You'll just need to decide on an approach because not all games do it the same way. Most likely you'd want rollback netcode.

[mweidner]

Indeed, Replicache works this way, using server reconciliation (one part of client-side prediction): https://doc.replicache.dev/concepts/how-it-works