Back in 2003, Jeremy Stoppelman and Russel Simmons were in an enviable position. They were junior members of the PayPal Mafia--think Elon Musk, Peter Thiel, Max Levchin. More than that, they had a great idea

A look at the Yelp Revenue Estimate. (Credit: Yelp) Yelp has a new tool in place for business owners to gauge the value of its service. The company yesterday announced a new tool, called "Revenue Estimate," that helps business

Yelp released a new tool on Monday that helps small businesses estimate how much revenue they make through the review site. The tool, called the Revenue Estimator, lets local businesses track the number of customer leads