No one expected smart assistants to take hold like they have, but many people can hardly imagine a world without their Amazon Echo in it. The amount of utility that Alexa provides is unprecedented.

Amazon’s Echo speakers, and the Alexa assistant, are incredibly useful and pretty darn invasive. On the practical side, it can function as a security alarm with a device you already own. Neat. Creepy?

David Priest is an award-winning writer and editor who formerly covered home security for CNET. Whether you're concerned about privacy, don't want friends "dropping in" uninvited, or just want Alexa ...

The Holidays are the time to get in touch with the family, enjoy the comforts of the home, and celebrate this festive season, with Amazon offering Alexa as your companion for a smart home experience.

Amazon’s Echo speakers, and the Alexa assistant, are incredibly useful and pretty darn invasive. On the practical side, it can function as a security alarm with a device you already own. Neat. Here’s ...