Know your data 39: everyone's doing it
The USPS sends some data out, just like everyone else
Business
Know your data 38: the script of the data leak theater
Kaiser ventures into the data leak theater.
Know your data 37: one billion passwords
What one billion stolen passwords tell us
A paradox of big data
Kaiser tries the new subway card.
When should we use bar charts?
Kaiser looks at two column charts.
Is this dataviz?
Kaiser looks for the data behind this pie chart.