Yelp is a local business review and social networking platform that allows individuals to search for businesses, read reviews, and write their own reviews. It also allows businesses to advertise and respond to reviews. The document provides steps for individuals to create a Yelp profile, connect to other social media, search for businesses, and write reviews. It also explains how businesses can use Yelp to advertise and interact with customer reviews. The document aims to give individuals and businesses an overview of how to use Yelp's key features.