Amazon focuses on Alexa privacy as it unveils new gadgets

Amazon defended the privacy features of its Alexa digital assistant—and introduced some new tools to reassure users—following months of debate about the practices of the technology giant and its largest competitors.The company plans to roll out a feature that lets users of the Alexa voice-based assistant automatically delete their verbal recordings regularly, on a rolling three-month and 18-month basis. Previously, Alexa users had to manually delete their stored voice recordings on a