How To Geek: “Emails are full of tracking links, especially in newsletters and promotional mailing lists, which can pass sensitive information about you to the sender. They’re such a problem that Proton Mail, the privacy-sensitive alternative to Gmail and other email platforms, is trying to prevent it with a new “Tracking Links Protection” feature. When you hover over (or click) a link in a marketing email or newsletter, you may notice that the link’s URL address isn’t the intended destination. Instead, the link might point first to a tracking or analytics platform, which reports information about you and your device to whoever sent the email. The page usually immediately redirects to the intended page, so it’s not always noticeable. Tracking links are primarily used to track if a link was clicked on (for determining conversion rates for ads, for example), but might also record other data, like your IP address and device type…”