Data flows behind "secure" debit cards
Kaiser traces data around debit card transactions.
Web/Tech
Self-checkout and fast passes
Kaiser blows up the myth of self-checkouts.
What is AB testing: a 2020s view
Kaiser looks at the state of AB testing in 2022, part 1
Know your data 34: coming for your most private data
Kaiser reacts to news that hospital websites push personal health data to Facebook.
Know your data 33: oops the dog did it
Kaiser reads Twitter's admission of misleading users on two-factor authentication.
Are 81 percent of Elon Musk's twitter followers fake?
Kaiser reads an estimate of Musk's spam proportion.