Facebook is not a physical country, but with 900 million users, its 'population' comes third after China and India. It may not be able to tax or jail its inhabitants, but its executives, programmers, and engineers do exercise a form of governance over people's online activities and identities.

Political activists in Hong Kong and Taiwan use Facebook as their primary tool to mobilize support for their causes and activities.

Facebook is blocked in mainland China, but is used heavily by the rest of the Chinese-speaking world, including Hong Kong, Singapore, and Taiwan.

Rebecca MacKinnon Quotes