Imprint
Information in accordance with Swiss e-commerce legislation.
Operator
Claude Flaig
zentr (sole proprietorship)
Lucerne, Switzerland
Contact
Liability
Content on this website is produced with care. We make no guarantee as to correctness, completeness or timeliness. External links were checked at the time of linking; we are not responsible for later content on linked sites.
Copyright
All content (text, images, logos, layout) is protected by copyright. Any use outside the bounds of copyright requires prior written consent.
Trademarks
Apple, Apple Music, iCloud, iPhone, iPad and macOS are trademarks of Apple Inc. YouTube is a trademark of Google LLC. They are referenced for descriptive purposes only; no partnership or endorsement is implied.
Last updated: May 2026.