If you’re signed up for any digital newsletters, have an inbox full of marketing emails, or have particularly nosey colleagues, some of those emails are definitely being tracked without your knowledge.
By using software that places a single hidden tracking pixel in an email, the sender can receive a surprising amount of data from you, like how many times you opened the email, at what time, and your location when you opened it. Not cool — we’re being tracked enough online these days by our cellphone service providers, favorite mobile apps, and social media platforms like Facebook.
