[dboreham]

Note that CRDT isn't "a thing". The CRDT paper provides a way to think about and analyze eventually consistent replication mechanisms. So CRDTs weren't "introduced", only the "CRDT way of discussing replication". Every concrete mechanism described in the CRDT paper is very old, widely used for decades beforehand.

This means that everything that implements eventual consistency (including Git) is using "a CRDT".

[mweidner]

While this is technically correct, folks discussing CRDTs in the context of text editing are typically thinking of a fairly specific family of algorithms, in which each character (or line) is assigned an immutable ID drawn from some abstract total order. That is the sense in which the original post uses the term (without mentioning a specific total order).