According to MDG Advertising, 37% of Facebook users engage more fully with a post that has a photo included; and 67% of customers state that the quality of a product’s image helps them decide whether or not to purchase the product.
One of the reasons that sites like Pinterest have become so popular is that people find the images engaging. You’ve probably heard it said that a picture is “worth 1000 words”. This is true because humans are visually driven.
Via Brian Yanish - MarketingHits.com