Amazon Alexa keeps your data with no expiration date, and shares it too A US senator asked questions, and Amazon provided answers you might not want to hear July 2, 2019 https://www.cnet.com/news/amazon-alexa-keeps-your-data-with-no-expiration-date-and-shares-it-too/
You can finally delete (most of) your Amazon Echo transcripts. Here's how https://www.cnet.com/how-to/you-can-finally-delete-most-of-your-amazon-echo-transcripts-heres-how/