The magic sauce to design a good mobile user experience: Emotional Engagement + Usability

Excerpt of a video interview with Alfred Astort-Tubert creator of the "A Weather Way", Apple Best New App last March for UX Deluxe, talking about why designers love weather apps, keeping your focus on user retention and how to create emotional bonds with users.

The three principles to create emotional bonds with users: Enticement, Relationship. Fulfillment.

Donald Norman