Email tracking is a common surveillance and advertising tool that has taken over many inboxes. These trackers can be used to understand more about your online behavior, your interests, and your email activity.
电子邮件跟踪是常见的监视和广告工具，许多邮箱饱受其侵扰。这些跟踪器可用于更多地了解您的上网行为、兴趣爱好和电子邮件活动。