Companies are profiling you from your smartphone use - how to stop them
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ZDNET's key takeaways
- Marketing and advertising agencies want your data.
- Organizations want to know your location, how you shop, and more.
- Explore our guide to preserve your right to privacy.
Companies often have access to more data about you than you realize -- and many records used to profile you won't require your outright, knowing consent.
Whenever you browse a website, submit a search query, accept a cookie notice, make a purchase, post on social media, or even visit a location, your activity may be recorded. Now, a singular visit to a website doesn't tell a marketer much about you, your interests, or what you might be interested in buying -- but over time and multiple interactions, a detailed picture of you forms.
Also: The best data removal services of 2026: Expert tested and reviewed
Your personal details, location, purchase...
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