Clare Toeniskoetter

How targeted ads for a pair of men’s sandals broke up one relationship, the researchers trying to keep data tracking honest, and the casualties of ad blockers. Marketplace Tech and Tech Insider on data tracking.

How people-rating app Peeple drew rage and put its co-founders in danger, how a 16-year-old embraced identity through virality, and the funny video that threatened to put its makers into crushing debt. Marketplace Tech and Tech Insider go viral.

A guy who thinks machines can prevent crime, another who thinks machines could destroy humanity and a machine-learning algorithm outsmarted by squirrels. Marketplace Tech and Tech Insider go inside smart machines.

A couple is forced onto the dark web to buy life-saving medicine; Ben buys a drug scale; and a researcher who says the dark web might make the illegal drug trade safer. Marketplace and Tech Insider dive into the dark web.

A man whose job is scrubbing porn from the web; adult film star Stoya’s battle against free, pirated porn; and the dirty history of tagging. Marketplace Tech and Tech Insider look at the effects of internet porn.

A woman answers a mysterious email and finds herself on a plane, spam buries our inbox, and a band falls apart over the send button. Marketplace Tech and Tech Insider look at the effects of email.