A genre of African-American literature that developed in the middle of the 19th century is the slave narrative, accounts written by fugitive slaves about their lives in the South and, often, after escaping to freedom. They wanted to describe the cruelties of life under slavery, as well as the persistent humanity of the slaves as persons.
This is a featured language. Malbolge, invented by Ben Olmstead in 1998, is an esoteric programming language designed to be as difficult to program in as possible. The first Hello, world! program written in it was produced by a Lisp program using a local beam search of the space of all possible programs.
Image: Mashable composite. Image: Wikimedia Commons. What it is: A general-purpose, imperative programming language developed in the early '70s, C is the oldest and most widely used language, providing the building blocks for other popular languages, such as C#, Java, JavaScript and Python. C is mostly used for implementing operating systems and embedded applications.