Yelp existed in the 2010s.
Yelp . Yelp was founded in 2004 by former PayPal employees Russel Simmons and Jeremy Stoppelman . Yelp became a public company in March 2012 and became profitable for the first time two years later . As of 2016 , Yelp.com has 135 million monthly visitors and 95 million reviews .