Privacy
This page uses no cookies, no tracking, no analytics and no external fonts or scripts. There is no form; nothing you do here is stored by me.
Controller
Luke Effenberger, Pettenkoferstr. 14, 10247 Berlin, Germany. hello@phasechange.eu. See also the Impressum.
Hosting
The site is hosted by Cloudflare, Inc. (101 Townsend St, San Francisco, CA 94107, USA). When you visit, Cloudflare necessarily processes technical data such as your IP address, browser type and time of access in order to deliver the page and protect it against abuse. The legal basis is my legitimate interest in operating a secure website (Art. 6(1)(f) GDPR). Cloudflare is certified under the EU-U.S. Data Privacy Framework. More: cloudflare.com/privacypolicy.
If you write to hello@phasechange.eu, I use your message and address only to reply and, if agreed, to share the notes with you. Email for this address is hosted by Apple (iCloud Mail, Apple Distribution International Ltd., Hollyhill Industrial Estate, Cork, Ireland). The legal basis is Art. 6(1)(b) and (f) GDPR. I delete correspondence when it is no longer needed.
Shared notes
If you are given access, the notes are shared through Google Docs and a Google Group, which are subject to Google's own privacy terms.
Your rights
You have the right to access, rectify, erase or restrict the processing of your data, to object to it, and to data portability. You may also lodge a complaint with a supervisory authority, for example the Berliner Beauftragte für Datenschutz und Informationsfreiheit.
Last updated November 2026.