Studies show that people remember 80% what they see and only 20% what they read. Research suggests that 65% of people are visual learners, and that the human brain can process images in as little as 13 milliseconds. These and many other statistics favour the idea that images are a powerful means of communication. Perhaps, their most important function is that they remove language barriers, as they are easily understood by everyone in the world. On the Internet, “a picture is...