Alexa is a good listener — so good, in fact, that researchers discovered a way to have it record audio indefinitely.
Amazon’s smart voice assistant had a coding flaw that could have let malicious developers turn the Echo into a listening device.
Alexa, the voice assistant used by millions of smart gadgets including Amazon’s popular Echo lineup, uses what it calls Skills to carry out commands. You ask if rain is coming, for example, and Alexa uses the “Weather” Skill to answer.