Self-checkout keeps growing despite theft
Why are retailers expanding self-checkout?
Business
Organizing time-stamped data
Re-organizing the time stamps of Elon Musk tweets
Ranks, labels, metrics, data and alignment
A rhombus shaped chart on airline rankings
How surveys mislead
How surveys fail
Know your data 40: omnipresent listening
Know your data 40: omnipresent listening, and targeted advertising
On the second day of congestion pricing...
What happened on the second day of congestion pricing in Manhattan