I'm pretty certain he means noise dampening, and you knew that. | Hacker News

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		staticfish on March 31, 2015 \| parent \| context \| favorite \| on: “Today we moved into our new Facebook building” I'm pretty certain he means noise dampening, and you knew that.

apinstein on March 31, 2015 [–]

I truly didn't; the use of the word "device" and the word "canceling" hints at something active. I've not heard of foam before referred to as a "device".

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