
Trigger words on the product: from sticker to subscriber
Every opt-in link and every QR code carries a pre-filled message. The word inside it decides which sequence starts after the scan, and it tells you which stand the sign-up came from. How to choose the word, how to measure every spot with it, and where it does not reach.
Kai Viertel
Aug 3, 2026 · 5 min

















