Favicons, the latest source for trackers to skim your browsing habits.

[Mutzli]

Ars Technica published an article about a new way for trackers to get your browsing habits which works even in private mode or with tracking protections installed.

 

[AndreiV]

A similar trick is being used to track email :

>> Tracker pixels in emails <<

Single pixels have been used for devious reasons for a long time .