After years of practice, I can walk into a bookstore and understand its layout in a few seconds. I can glance at the spine of a book and make a good guess at its content from a number of signs.
Umberto EcoThe art of splitting hairs four ways. This is the department of useless techniques. Mechanical Avunculogratulation, for example, is how to build machines for greeting uncles. We're not sure, though, if Pylocatabasis belongs, since it's the art of being saved by a hair. Somehow that doesn't seem completely useless.
Umberto Eco