Everybody's a critic

Yelp has launched a set of tools that enable firms to nurture relationships on the popular review site — whose sip-and-tell clientele have likely burned as many small businesses as they have helped.

The suite is available at biz.yelp.com. Business owners may:

- Update business information
- Directly message users that have reviewed their business
- Set alerts for when new users review them
- View how many people have seen their page

comScore and Compete peg Yelp's unique visitors between 3.7 million and nine million per month, respectively.