by Mark Walsh on Dec 3, 10:22 AM
Pinterest ranks as the fastest-growing social network this year, with its U.S. audience surging more than ten-fold to 27.2 million between July 2011 and July 2012. To put that in perspective, the next closest social property among the top in terms of growth was Google+, which increased 80%, according to
new data from Nielsen and NM Incite.
Facebook, of course, remained by far the largest social networking site, with monthly PC-based traffic of 152.2 million, but that figure was down 4% from a year ago. No. 2 ranked Blogger saw traffic dip 3% to 58.5 million, while traffic to …