The keyword primarily refers to Facebook Zero , a text-only version of the social network launched to provide mobile access without data charges in developing markets. While it revolutionized connectivity for millions, it also sparked a decade-long debate regarding net neutrality and the "walled garden" of the modern internet. 1. What is Facebook Zero? Launched in 2010, Facebook Zero (

is less central to Facebook’s strategy as data costs have dropped globally, its legacy persists.

"Zero Connections"

Despite its success, Facebook Zero faced significant backlash: