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When it comes to finding the deeper meaning in a text passage, a word cloud is a simple application that you might have seen as a cute bit of fluff rather than a useful academic tool.  Most word cloud programs work in the same, straight-forward way; the more a word is used in the text, the bigger it is shown in the cloud.  A glance at a cloud is an easy way to preview a passage, or to analyze text.  So what does this mean for your courses?  

Does your learners prefer acquiring and processing information via images, pictures, maps, graphs, charts, illustrations, and other visual aids? Since they are visual learners have you though of using infographics at your course?