"Secret messages for Alexa and Co.
Researchers can hide secret commands for voice assistants in spoken sentences, birds' twittering, or music. They are not audible to the human ear. The machine recognises them precisely."
" Bose's $350 wireless headphones need an app to "get the most" out of them, and this app monitors everything you listen to -- the names of the podcasts, the music, videos, etc -- and sends them to Bose without your permission, according to a lawsuit filed this week in Chicago by Kyle Zak."