The ACLU has, at the very least, noted that there are changes to the Flock T&C that could lead to the sale of data [0]

> Sale of data. Flock’s previous T&C stated flatly, “Flock does not own and shall not sell Customer Data.” That language is now absent from their T&C.

[0] https://www.aclu.org/news/privacy-technology/tracking-alpr-c...