"This stressed out a lot of email marketers, who quite rightly realised that the new regulations would have a significant effect on their ability to acquire and market to customers via their email address" "The overwhelming majority of commercial email sent today contains tracking pixels and tracking links, these are used to uniquely identify individuals so that opens and clicks can be correctly attributed to them" G…
If they send you an email it means that they obviously have your email address, which I believe is considered personal data. Now, what additional personal data are collected by tracking pixels? > these are used to uniquely identify individuals I would say that this isn't the case. It is to check that the email was read.
If I read it, when I read it, where I read it from (location, device, etc)