Sometime last week I read an article that made me think about my book buying habits. The article, which can be found here , reports that "n ew research shows that frequent book buyers visit sites like Pinterest and Goodreads regularly, but those visits fail to drive actual book purchases." While I can't speak for anyone else, as someone who uses both Goodreads and Pinterest, I know I contribute to the non-book-buying statistics associated with these two popular sites. I may browse the books my friends are talking about, but I don't necessarily rush out to buy them. The reasons vary. First, while I can appreciate their enjoyment of a certain genre or author, I may not share their enthusiasm. Sometimes, though, I am intrigued and I have every intention of reading the book, but I'm a little short on funds at that exact moment. This is when I add the title to my Goodreads bookshelf entitled "want-to-buy". Take "The Physi...