A complex and secretive algorithm chooses which reviews to display on Yelp.com. Some small business owners say they feel pressured to advertise with Yelp for...
Why does Yelp hide reviews?
A Little Yelp from My Friends
How Yelp Works to Keep Reviews Honest
Does Yelp Really Impact Businesses?
Why I Work At Yelp - Sales
Yelp in the Media