was especially happy to see Professor Soumitra Dutta and Dr. Mathew Fraser from Insead recently publish an excellent book on social networking (“ Turning social networking on its head: where horizontal and vertical networks meet ”), offering some great analysis on how Web 2.0 In October 2008, Nielsen Online reported a year-over-year growth of 193% for LinkedIn and of 116% for Facebook. Home About this Blog About Me My Comments Elsewhere RSS Covisio Syndicate Subscribe in a reader About Me Alex - Alexandros Poulos is Covisios Managing Director and co-founder.