Where Amazon Reviews Really Come From

Amazon has a program where reviewers get free products in exchange for legitimate reviews. In other scenarios, vendors give products free to buyers who rate them five stars. WSJ's Joanna Stern caught up with a professional Amazon reviewer to find out how to spot the fakes. Photo illustration: Laura Kammermann / The Wall Street Journal

from WSJ.com Video - Most Viewed WSJ Videos https://ift.tt/2LsAz7x