Guess Who?Designing for engagement

in a social context

First: why you should bother

listening

Users couldn’t stop coming back

Users couldn’t stop coming back

Only 24% of users visited less than five times

Users couldn’t stop coming back

The median user visited between 9 and 14 times

Users couldn’t stop coming back

More than 15% of users visited 50+ times

Visits were often deep

Visits were often deep

Only 30% of visits went to less than three pages

Visits were often deep

4.7% of visits went to more than 20 pages

Users stayed for a while, too

So what is the Guess Who? app

+

=

3 design decisions that

mattered

1. Encourage Reciprocity

2. Create Shared Intimacy

3. Act Fast on Surprising Data

Thank youTom Brow (tebrow@stanford.edu)Sean Kandel (skandel@stanford.edu)Noah Weiss (noahweiss@stanford.edu)