Wissenschaftliche Dienste, Deutscher Bundestag
https://www.bundestag.de/resource/blob/650728/3f72e6abc1c524961e5809002fe20f21/WD-10-032-19-pdf-data.pdf
Research Service of the German Bundestag reviews the lawfulness of transcribing and evaluating recordings of Amazon’s Smart Assistant Alexa.
Summary in English by Dr. Piltz https://www.linkedin.com/pulse/opinion-research-service-german-parliament-amazon-alexa-piltz/