Great article by SEOMoz
Any old picture might be worth a thousand words. But your target niche doesn’t need or want a thousand words. Your ideal audience needs the right words, paired with the right images, to tell a story that uniquely appeals to their deepest desires.
Studies show that people understand images faster than words, remember them longer, and if there’s a discrepancy between what we see and what we hear, our brains will choose to believe what they see. Our brains prioritize visual information over any other kind, which makes images the fast-track to connection all marketers are looking for.