Know your data 41: the lesser evil
Is Mozilla not good enough?
Business
Know your data 40: when they know where you are
When big data are used against your interest
Correlation and causation
Does giving compliments improve team performance?
How would we know if Google engineers really improved traffic flow at intersections
It's not easy to measure the real-world impact of optimizations.
Dead people, fake obituaries, and ad fraud
A story involving dead people, faked obituaries and digital ads.
Pie charts and self-sufficiency
A series of pie charts is used to demonstrate a trend