Will the Internet listen to your private conversations?

In this photo taken Thursday, July 23, 2015, Anjana Agarwal, left, poses with a photo with her daughter Aanya Nigam, 16, in Issaquah, Wash. (AP Photo/Elaine Thompson)SAN FRANCISCO (AP) — Like a lot of teenagers, Aanya Nigam reflexively shares her whereabouts, activities and thoughts on Twitter, Instagram and other social networks without a qualm.

But Aanya’s care-free attitude dissolved into paranoia a few months ago shortly after her mother bought 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.

After using the Internet-connected device for two months,…