Information Design Classic Makes The Shelves Again After Two Hundred Years - Robin Good Thanks to the popularity of information design guru Edward Tufte, a two hundred years old book by William Playfair has just made the shelves again. On the concept of a concept - Denham Grey Our beliefs, world views, creativity and communication ability, depend on the concepts we hold, how strongly we hold them and ways we can change them. Concepts are the building blocks for analytical and mental models. Are we getting smarter or dumber? - c/net "Too much information" may be the catchphrase of the Internet age.