Multimodal presentations have an inherent critical potential to the extent that we learn how to use the images to deconstruct the viewpoint of the text, and the text to subvert the naturalness of the image.

Lemke, J. (2005). "Towards critical multimedia literacy: Technology, research, and politics." In McKenna, M., Reinking, D., Labbo, L. & Kieffer, R. (Eds.), Handbook of literacy and technology. Mahwah, New Jersey: Erlbaum (LEA Publishing). p. 4