Amazon Echo

Consumer smart speakers’ wide usage presents an opportunity for the “next generation of health monitoring solutions,” the researchers said.
Proof-of-concept system turns smart speakers into contactless heart rhythm monitors
By Mallory Hackett | 01:42 pm | March 09, 2021
Smart speakers such as the Amazon Echo or the Google Nest can be used to monitor heart rhythms without physical contact as effectively as an electrocardiogram, according to research from the University of Washington published in Communications Biology.
Walmart, Amazon patents could take biometric monitoring to a new level
By Jonah Comstock | 05:27 pm | October 10, 2018
Recently granted patents show a shopping cart that monitors your heart rate, Alexa listening for coughs.