'As cookies become a less reliable way to track people online, AliExpress may be showing how far companies will go to fill that gap. Researchers found code on the site's homepage that ran silent audio processes in the browser. Tied to Alibaba's security systems, the scripts tap a device's own audio hardware to generate a signal and measure the tiny, device-specific ways it comes back – producing something close to a fingerprint that doesn't need a single cookie to work. It's the kind of tracking a user would likely never notice. ' -- source: https://www.techspot.com/news/113581-aliexpress-silently-running-audio-brows... Cheers, Peter