peer-to-peer

Definition:

Peer-to-peer, sometimes referred to as p2p, is a term used to indicate direct communication between two computers. This is in contrast to the majority of communication between computers on a network such as the Internet which communicate through central servers.

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audiobook

An audiobook is a recording of a book being read aloud. Audiobooks are especially popular during car rides, exercising, and for the visually impaired. Audiobooks are often sold on CDs and cassettes.