Exactly my thoughts. I was watching the video thinking this is a bit far fetched... | Hacker News

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ape4 on March 18, 2016 | parent | context | favorite | on: FingerIO: Using Active Sonar for Fine-Grained Fing...

Exactly my thoughts. I was watching the video thinking this is a bit far fetched. Just like when I learned about Google's moon base.

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