Additionally, Jeeves is capable of typing and writing shorthand. There were apparently some typewriters fitted with keys for typing Nigerian languages. After typing "42" in a right place, text ""What was the question?"" appears. A user can see if the other iMessage user is typing a message. Claire then finds her computer inexplicably typing "MEF" repeatedly. There is a practice mode for learning basics of typing. See programming language for more discussion of the interactions between static and dynamic typing. Dynamic typing typically allows duck typing (which enables easier code reuse). The analogy to static typing is a useful one. Compact cassettes were initially used for dictation machines for office typing stenographers and professional journalists. According to Microsoft, this is great for watching movies, video chatting, and typing documents. Hack allows programmers to use both dynamic typing and static typing. Multiple sources use the term duck typing when describing Go interfaces. Hence, the probability of the monkey typing a normal number is 1. There exist special ergonomic keyboards designed for both typing methods.