1. Guess Who? Designing for engagement in a social context

2. First: why you should bother listening

3. Users couldn’t stop coming back

4. Users couldn’t stop coming back Only 24% of users visited less than five times

5. Users couldn’t stop coming back The median user visited between 9 and 14 times

6. Users couldn’t stop coming back More than 15% of users visited 50+ times

7. Visits were often deep

8. Visits were often deep Only 30% of visits went to less than three pages

9. Visits were often deep 4.7% of visits went to more than 20 pages

10. Users stayed for a while, too

11. So what is the Guess Who? app +

12. =

13. 3 design decisions that mattered

14. 1. Encourage Reciprocity

15. 2. Create Shared Intimacy

16. 3. Act Fast on Surprising Data

17. Thank you Tom Brow (tebrow@stanford.edu) Sean Kandel (skandel@stanford.edu) Noah Weiss (noahweiss@stanford.edu)