Are images more powerful than words? Writing predates photography by around 4,900 years. We have been penning our thoughts almost since we came into being, yet many believe that a picture is worth a thousand words.
Review of the year: great news photos
Visual communication: Photojournalism is not a hobby for the elite and art galleries, says award-winning French photographer Thomas Nicolon, "it is a way to reach as many people as possible".