At X, Bier could potentially build features that drive adoption beyond the user base that's typically drawn to text-first ...

Nikita Bier, X's new product head who cofounded the apps tbh and Gas, said he spends "every waking hour" on X.

Elon Musk’s X has hired entrepreneur Nikita Bier as the platform’s new head of product, giving Bier a senior role atop one of the most widely used social apps in the world.