Yelp announced a new initiative on Thursday to label businesses that users have reported for racist behavior. Scott Eells/Bloomberg via Getty Images hide caption
Yelp
The Trump Grill at Trump Tower in New York City in December. Now that Donald Trump is president, online reviews of his hotels, restaurants and other properties have become much more politicized. Jim Watson/AFP/Getty Images hide caption
Falling Stars: Negative Yelp Reviews Target Trump Restaurants, Hotels
How One Couple Fought For The Legal Right To Leave A Bad Yelp Review
The First American Fried Chicken restaurant in Elizabeth, N.J., saw its Yelp reviews plummet after the owner's son Ahmad Khan Rahami was arrested as a suspect in last weekend's bombings in New York and New Jersey. Mel Evans/AP hide caption
Yelp users, who flock to the platform known for its reviews and recommendations, should be on the lookout for astroturfing — the creation of fake reviews to make a business look more popular. Andrew Harrer/Bloomberg via Getty Images hide caption
Don't Necessarily Judge Your Next E-Book By Its Online Review
Patient reviews of doctors tend to focus on non-medical issues like wait time, billing and front office staff. Mahafreen H. Mistry/NPR hide caption
On Yelp, Doctors Get Reviewed Like Restaurants — And It Rankles
A health inspection grade is posted outside a Manhattan eatery. In several cities, Yelp users can now find out how a restaurant scored on its health inspection well before they walk through the door. Mario Tama/Getty Images hide caption
The Yelp app maps out restaurant locations in Manhattan. Meredith Rizzo/NPR hide caption
A new study finds restaurants that face close regional competition are more likely to post fake positive reviews for themselves and negative reviews for competitors. Jeremy Brooks/Flickr hide caption
A sting operation involving a Brooklyn yogurt shop was part of an investigation by New York's attorney general that found companies had flooded ratings websites with fake consumer reviews. iStockphoto.com hide caption
Customer review websites like Yelp have exploded in the last few years, but are negative reviewers at risk of inciting the litigious wrath of angry business owners? Richard Vogel/AP hide caption