Yelp

Founded in San Francisco in 2004, Yelp connects people with great local business. With communities in major metros across 32 countries and more than 148 million rich, local reviews, Yelp is the leading local guide for real word-of-mouth on everything from boutiques and mechanics to restaurants and dentists. In addition to reviews, diners can use Yelp to make reservations, order delivery or get in line remotely.