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Cox deletes ‘Active Listening’ ad pitch after boasting that it eavesdrops though our phones
(www.fastcompany.com)
This is a most excellent place for technology news and articles.
Maybe. They might do some processing locally and just upload as text so it might be easy to batch the data, making the upload volume and pattern less obvious.
It also saves them network bandwidth so I'm sure that would motivate them too. Uploading raw mic data from all TVs would be expensive.
You're getting down voted, but this seems the most likely. TTS is trivial anymore.