Use of the phrase "A picture is worth a thousand words" is thought to have originated from a 1921 article by Fred R. Barnard in the trade journal Printers' Ink, where he advocated the use of images in advertisements on streetcars.

Our friends at Mavens of London continue the tradition of making communications smart and effective.  They created this really cool info graph with Cruise Market Watch data (from financial breakdown of typical cruiser and 2012 passenger sourcing by region) to represent, quite literally, over nine thousand cruises from around the world.  Click on image to enlarge.