Trey Ratcliff Wrote a Book Exposing How People Cheat at Instagram

Link: https://petapixel.com/2019/04/13/trey-ratcliff-wrote-a-book-exposing-how-people-cheat-at-instagram/
Brands spent an estimated $2 billion on marketing through Instagram "influencers" in 2017, and that number is expected to balloon to $10 billion by 2020.