: Participants' perceptions changed significantly when the "wake word" was switched from a personified name ("Hey Alexa") to a brand name ("Hey Amazon").
: Amazon has historically used human teams to review small samples of recordings to improve accuracy. “Hey, Alexa! Are you trustworthy?
: Devices are always active in a low-power state to detect wake words, though they do not continuously record everything. “Hey, Alexa! Are you trustworthy?