Some things we can learn from MonkeyType

Instagram released their competing tool, [MonkeyType](https://github.com/Instagram/MonkeyType) ([blog](https://engineering.instagram.com/let-your-code-type-hint-itself-introducing-open-source-monkeytype-a855c7284881), [docs](https://monkeytype.readthedocs.io/en/stable/)).

They have more configurability (e.g. type storage, sampling, type rewriting). They use randomization in their profiling hook.

A possibly road to convergence might involve sharing type storage and configuration so you can use either tool to collect types and the other to apply them.