Though I don't have the data to back it up, I think the over-saturation of food blogs -- combined with, let's face it, the many blogs of ... erm, dubious ... quality -- has probably helped boost hard copy cookbook sales as well. Even the most lush, gorgeous, recipe-tested blog or Web site can't (in my mind) hold a candle to the visceral pleasure of paging through a beautifully-photographed cookbook.