According to Alexa, Pinterest is currently the 16th most trafficked site in the United States, while Tumblr is ranked just below it at number 17. (via Pinterest has overtaken Tumblr in the United States)

According to Alexa, Pinterest is currently the 16th most trafficked site in the United States, while Tumblr is ranked just below it at number 17. (via Pinterest has overtaken Tumblr in the United States)