Social networking has become the most popular activity online and visits to the category represented 13% of all US Internet visits in December. As the social networking audience continues to grow, the category has become a major source of traffic for retailers, surpassing categories such as Rewards and Directories, comprised of comparison shopping tools and affiliate websites. In December,

Welcome to the newest  BIGLIST review of  Search Marketing Blogs . We have a little bit of everything today ranging from Chinese focused PPC to the World's Greatest SEO to a steaming pile of SEO Bull$#*t. Enjoy! If you think your blog deserves to be included, then write a compelling and maybe humorous comment below. We'll almost certainly ignore it but you never know.