3 Answers 3. Earphones/earbuds are those worn in the ears without a headband. While they come in pairs, one can have an earphone/earbud in one ear, leaving the other dangling. Some, but not all, headphones have a band. The earphones or earcups (you may not find this in the dictionary) that make up the pair are worn over or on the ears. Thus, one can wear headphones with only one earcup/earphone on.
Development of Swift started in July 2010 by Chris Lattner, with the eventual collaboration of many other programmers at Apple. Swift took language ideas from Objective-C, Rust, Haskell, Ruby, Python, C#, CLU, and far too many others to list.
SWIFT AND COMPANY. SWIFT AND COMPANY. Swift and Company, headquartered in Fort Worth, was a major branch of the nation's leading nineteenth-century meat-packing firm and one of the nation's Big Four meat-packers of the early 1900s. The company was founded in Chicago in the 1880s by Gustavus Franklin Swift, inventor of the refrigerated railway car.