Collected for what? The question stays binding
Purpose limitation under Article 5 GDPR: what a specified purpose is, how the compatibility test in Article 6(4) works, and where the line to a change of purpose runs.
3 minutes read
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.
As little as possible, as much as necessary
Data minimisation under Article 5 GDPR: why purpose is the yardstick, how to spot superfluous fields, and what the principle means for consent banners.
3 minutes read
Privacy as a design decision, not a retrofit
What privacy by design and by default concretely mean, with examples from building a website.
3 minutes read
What "personal data" actually means
IP address, cookie ID, device characteristics: why data without a name can be personal, and when anonymisation really holds.
3 minutes read
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.
3 minutes read
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.
5 minutes read