An authentication flow to ensure millions of readers could sign into their accounts on the first try. By introducing a Magic Link and One-Time Passcode (OTP) architecture, we reduced account-recovery customer care tickets by 69% month-over-month.
To eliminate password fatigue, we designed a Magic Link flow.

The login page doubled as a high-value marketing surface. The new UI automatically displays the top six best-selling books by region. With a marketing engine that supported targeted campaigns without engineering intervention.