A new lawsuit is accusing Amazon of secretly tracking users through their smartphones, collecting detailed location data.

Ever feel like your phone is listening to you? Like when you talk about something aloud, and suddenly your web browser serves you ads for what you were talking about? Well, a lawsuit filed Wednesday against Amazon alleges the e-commerce giant has been using consumers phones to get information about them.

Investing.com -- Amazon.com (NASDAQ: AMZN) is facing a lawsuit filed by consumers who allege the retail behemoth has been secretly tracking their movements through their cellphones and monetizing the data it collects, according to a report by Reuters.

Amazon was sued on Wednesday by consumers who accused the retailing giant of secretly tracking their movements through their cellphones, and selling data it collects. According to a proposed class action in San Francisco federal court,