A look at Fake Review Watch on YouTube, run by Kay Dean, documenting fake reviews on Yelp, Google, and others, often tracing them back to Facebook Groups (Stephen Council/SFGATE)

Stephen Council / SFGATE:
A look at Fake Review Watch on YouTube, run by Kay Dean, documenting fake reviews on Yelp, Google, and others, often tracing them back to Facebook Groups  —  A strange letter showed up on Kay Dean’s doorstep.  —  It was 2017, and the San Jose resident had left a one-star review on the Yelp page of a psychiatry office in Los Altos.