In the six months since Pinterest became one of 10 largest social network sites, we’ve heard no end to its praises. It’s been sold to us as a venue for self-expression, similar to Tumblr — but with auto-filled boards like “Products I Love,” “My Style,” and “For the Home,” it’s far less shy about its use of love-only Facebook-derivitive lifestyle branding. Unless you’re working against it, can such a place even be a venue for self-expression?
