Headphone wearers may one day have the best of both worlds. Anyone seeking to tune out the world around them already has access to high-tech headphones capable of muffling the sounds. Noise-canceling headphones cost several hundred dollars, but are a …
from http://www.wbaltv.com/money/how-amazon-may-solve-the-glaring-weakness-of-noisecanceling-headphones/40932072
via http://baltimorecheckbook.tumblr.com/post/148112067547
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