Ryan Tate writes: “Facebook is rolling out its new audio fingerprinting tool, detailed on Wednesday with a company blog post. With audio fingerprinting, you needn’t go looking for a hashtag. Instead, you click a button on your Facebook mobile app, it listens to the TV show you’re watching, and then it automatically links your comments to the right online forum–at least in theory. Behind the scenes, Facebook’s servers will do a lot of heavy lifting to match the audio with the right discussion, but to you, the process is seamless–particularly when compared to hashtagging. The tool isn’t available yet. It will arrive “in the coming weeks” for those using the Facebook iOS or Android app.”

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