This document discusses strategies for seducing users and capturing their ongoing devotion through interface design. It presents three stages of seduction: 1) Inspiring attention, interest and desire, 2) Drawing them in and leading them astray, and 3) Capturing ongoing devotion. Various techniques are proposed for each stage, such as identifying user archetypes, using emotion-evoking language and imagery, telling stories, and providing affordances of desire. Guidelines recommend designing based on genuine user needs while differentiating seductive qualities.