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• n  a jack for plugging in a telephone

• telephone jack

News & Articles

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• Wake up and smell the bacon ... with Oscar Mayer’s app
  Oscar Mayer says it has created a bacon-scented app for the iPhone, developed by the Madison-based company’s Institute for the Advancement of Bacon. The company says that to emit a small puff reminiscent of bacon, the phone needs an external device that plugs into the headphone jack. The app itself produces the sound of bacon sizzling in a pan.
  March 6, 2014 - Daily Herald