SEO content marketing roundup, week ending May 29th

May 29, 2013
With $1.6 Billion in Cash, Zynga Is Now Worth Less Than $750 Million to Investors

Jun 4, 2013
Determining Relevance: How Similarity Is Scored

Jun 12, 2013
Please, stop talking about AuthorRank

Jun 19, 2013
GeekWire 200 update: Bye, bye Tableau, and other big changes in our startup index

Jun 14, 2013
Pinterest: One Man's Surprising Journey

Jun 13, 2013