https://www.vox.com/recode/2020/2/21/21032140/alexa-amazon-google-home-siri-apple-microsoft-cortana-recording

You’re not imagining it. Smart speakers inadvertently listen to you all the time.

How often do Alexa and her ilk listen to your conversations? Maybe more than you think. According to a new report from Northeastern University, smart speakers accidentally activate as many as 19 times a day, recording as much as 43 seconds of audio each time.