Forbes: When people think about Pinterest, wedding dresses, recipes and gardening tools likely come to mind. However, the bookmarking site is deepening its relationships with publishers in a push to better feature articles and how-to stories. For several publishers with “evergreen” stories that are just as relevant today as they are six month from now, being on Pinterest is paying big dividends. Pinterest drives more traffic to About.com, for example, than any other social network. “We hear from our partners that we’re in the top three referral platforms, and number one in a lot of specific areas.”