Superhuman ships the tracking feature enabled by default as 'Read Receipt,' and while the term is known as a feature that only checks whether a message was opened with the recipient's consent, when you open an email sent with the controversial client, it's a different story. Although receiving emails with images can enhance the experience, they can also pose privacy risks, expose you to potentially offensive content, or harm your computer with malicious code, viruses, and other types of malware when they come from unknown sources or legitimate sources that want to exploit the feature.Ĭase and point: The recent privacy controversy with Superhuman (the paid email client said to be one of the best alternatives to popular apps) brought up by Mike Davidson, former Vice President of Design at Twitter, who has recently criticized the company for embedding tracking pixels on every email its users send out.