You've Been Yelped

INC. — On October 30, 2009, Diane Goodman logged on to Yelp.com. Like many business owners in cities across the country, Goodman had lately developed a small obsession with the website, which allows customers to publish critiques of local businesses. She had been visiting her company's Yelp page every day to see what her customers had written about her bookstore. Goodman found reading Yelp reviews to be emotionally wrenching -- but she also couldn't look away...