Amazon’s Echo, a digital assistant that can be set up in a home or office to listen for various requests, such as for a song, a sports score, the weather, or even a book to be read aloud, is shown, Wednesday, July 29, 2015 in New York. The $180 cylindrical device is the latest advance in voice-recognition technology that’s enabling machines to record snippets of conversation that are analyzed and stored by companies promising to make their customers’ lives better. (AP Photo/Mark Lennihan)