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At Re:Invent last week, there was discussion of Alexa Guard and the Echo’s soon-to-have ability to pick up events in the home and warn you if something happens when you’re not home. Apparently, this feature will be enabled when you tell your Echo you’re leaving the house.

Sound identification is nothing new. Acoustic glass break sensors have been around for awhile. Services like Audio Analytics have been licensing their technology to many DSP companies for years. Sensors, such as those for detecting glass break, can use low power analog solutions to make them work for long periods of time on only a battery.

Could next versions of the Echo have CO, gas, and smoke detection? Could they become as easily and reliable as Nest devices? Amazon definitely has the means to be a competitor in this space but what is the potential upside for the pain of running a home security monitoring company?

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