Report shows that Amazon uses data from Alexa smart speakers

A research report titled, "Your Echos are Heard: Tracking, Profiling, and Ad Targeting in the Amazon Smart Speaker Ecosystem," investigates how Amazon Alexa smart speakers use voice data to target ads at users.

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Umar Iqbal , Lauren Raemhild , Dan Seifert , University Of Washington , Northeastern University , Amazon Smart Speaker Ecosystem , Amazon Music , Advertising Preferences , Alexa Privacy ,