Is the Foursquare API Living Up to Its Potential?http://www.readwriteweb.com/hack/2011/02/searching-for-sadness-in-new-york.php?sms_ss=hackernews&at_xt=4d6c5ee89846de5f%2C0 by klintron • 15 years ago 2 0 15 years agoREreadwriteweb.com