Customer Reviews: Is Facebook the New Foursquare or Yelp?

While Facebook's entrance into Yelp and Foursquare's territory won't necessarily mean that the other sites will go away, it does mean that marketers might want to adjust their thinking and approach to include Facebook Places. It will be a matter of winning or losing business.

Scott Esmond (@sesmond) is the director of business development and Tony Felice (@tonyfelice) is the senior strategist at internet presence management firm Red Door Interactive.