The once-utopian accommodations site, now headed by an alum of surveillance-analytics firm Palantir, has gone back on its always-free ethos.

In 2019, I made a painful decision. But to the algorithms that drive Facebook, Pinterest, and a million other apps, I’m forever getting married.

How a dating app helped a generation of Chinese come out of the closet.

Surviving sexual assault in a rapidly digitized world.

The lip-syncing app Musical.ly claims that it has signed up 50% of American teens.

After two cycling-related deaths, the social fitness network becomes a target.