Start here · Essential guide
How Online Tracking Works Across Websites and Apps
A plain-language overview of how trackers, identifiers and data sharing follow activity across websites and apps, and why it happens.
Privacy and Security
Tracking, Ads and Data Brokers
How your activity is collected, profiled and used to show ads.
Browser Fingerprinting Explained
How ordinary browser and device traits can be combined into a recognisable identifier without cookies, what it is used for, and what limits it.
Data Protection Laws Explained: Consent, Access and Deletion
A general, non-legal explanation of the ideas behind data protection laws: consent, access, correction, deletion, and how the rights typically work.
How Data Brokers Collect and Sell Information
Where data brokers get personal information, how separate records are matched into profiles, and the kinds of organisations that buy or license them.
How Phones Know Where You Are: Location Data Explained
How satellite, Wi-Fi and cell-tower positioning compare, why phones combine them, and how location histories end up stored on devices and servers.
How Targeted Advertising Decides What You See
Follow an online ad from the moment a page loads, through the real-time auction, to your screen, and see which signals influence the choice.
Reading a Privacy Policy Without a Law Degree
Which sections of a privacy policy deserve your attention, what common phrases such as 'partners' and 'legitimate interest' usually permit, and how to skim well.
What App Permissions Really Allow
What camera, microphone, contacts, location and other phone app permissions let an app do, the trade-offs of granting each, and sensible habits.
What Browser Cookies Are and What They Do
What browser cookies are, how first-party and third-party cookies differ, what each can and cannot reveal, and how to manage them sensibly.
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