Know your data 40: when they know where you are
When big data are used against your interest
Behavior
Correlation and causation
Does giving compliments improve team performance?
Doping pops up in the news
The world of anti-doping has interesting statistics
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.
Know your data 38: the script of the data leak theater
Kaiser ventures into the data leak theater.
A CEO says they will spend money to lose money
Kaiser doesn't like surge pricing.