they have a very "interesting" definition of private data on the paper. it's so outlandish that if you buy their definition, there's zero value on the trained data. heh.

they also claim unsuppervisioned users typing away is better than tagged training data, which explain the wild grammar suggestions on the top comment. guess the age of quantity over quality is finally peaking.

in the end it's the same as grammarly but without any verification of the interested data, and calling the collection of user data "federation"