The Lean Analytics Cycle: Metrics > Hypothesis > Experiment > Act
Occam's Razor
APRIL 8, 2013
Maybe they analyzed the metadata from pictures and found that there was a strong correlation between properties that rented often and expensive camera models. It essentially allowed you to create a group of friends who could interact and share content, much as people do today with Google+, before such features were part of Facebook.
156 
Let's personalize your content