TECH CRUNCH - June 15 - According to the latest comScore Internet report, visits to social networking sites have increased by 6% YOY. Pinterest remains the fastest-growing social network as of Q1 2012. Pinterest saw +4377% growth between May 2011 and May 2012. Meanwhile, Twitter grew 58%, LinkedIn grew 67%, Tumblr 168%, and Facebook 4%. However, Facebook had the highest amount of reach. The report also examined the growth in mobile, and predicted that the number of mobile Internet users would surpass desktop Internet users by 2014.