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Privacy, explained

Data protection basics

What a cookie is, what consent means, and why one rarely works without the other. These articles assume no prior knowledge.

All articles (23) Basics (3) Technology (5) Law and duties (6) Data subject rights (4) Practice (5)

Basics

What "personal data" actually means

IP address, cookie ID, device characteristics: why data without a name can be personal, and when anonymisation really holds.

1 August 2026 · 3 minutes read

Basics

Why websites have to ask at all

Where the duty to show a consent banner comes from: the ePrivacy Directive, the GDPR and the Planet 49 ruling, explained in order.

28 July 2026 · 3 minutes read

Basics

What a cookie is – and what it is not

A cookie is a short piece of text a website leaves in the browser. What it contains, how long it stays, and why a consent duty follows from it.

25 July 2026 · 5 minutes read

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