Amazon says a series of miscues picked up by one of its voice-activated Echo speakers led to a couple’s conversation being recorded and then sent to an acquaintance. The Portland couple used the devices throughout their home to control heat, lights and security. The tech company responded Wednesday to a KIRO 7 news report that the pair got a phone call recently from the acquaintance, one of the husbands employees, saying unplug your Alexa devices right now. Youre being hacked”]