From their size to their shape to they way in which they function, the hearing aid technology that is used today is far different from what hearing aids used 100, 50, or even five years ago. The history of hearing aids is far reaching and colorful--the earliest hearing aids worked without electricity, while the earliest electric models were simply too large to be portable. Today, digital hearing aids are discrete, lightweight, and have the capability to be adjusted for different environments and to amplify sound without distortion. And the future holds many exciting improvements to hearing aid technology as a whole. But it's important to review the history of hearing aids in order to understand just where the industry is headed.
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