As if Internet advertising was not already in deep enough trouble, companies continue to research and use new invasive tracking capabilities on a regular basis.
Session Replay is one of the most recent that came to light. This is an advanced type of analytics software which doesn't only track basic parameters such as the time spend on sites or site visits, but records any keystroke, mouse movement and other activity on pages the scripts are loaded on.
https://www.ghacks.net/2017/11/24/ho...play-tracking/