Internal Development of 'FaxJS'

Jordan Walke began developing the prototype of what would become React, initially dubbed 'FaxJS', while working on Facebook's Ads interface. The goal was to solve the intricate state management and rendering issues plaguing the application.

Significance

This marked the secret genesis of React, driven by a critical internal need at Facebook. It proved the viability of a declarative, component-based approach and the Virtual DOM concept before its public debut.