The image of Lenna, probably is the most transmitted and analyzed digital image in the world. So, I think it is a perfect example for discussing the relation between digital information and symbolic meanings.[……]
I will use an iPad game called Dark Echo to exemplify the affordances and constraints in design principles. Dark Echo is one of the most amazing puzzle games I encountered for years. Basically, it’s a two-dimensional escape game. It orchestrates both simplicity and complexity, demonstrating many design principles explicitly.[……]
I’d like to talk about abacus—an ancient cognitive artifact that is still widely used in China. I began learning abacus to do arithmetic since I was six and interestingly, as time went on, there emerged a virtual abacus in my mind every time I need to calculate, which directly manifests the ideal-material-duality of artifacts mentioned by John Dewey, Marx, and Hegel.[……]