Freedom House, a think-tank, reports that in the past year efforts to control speech online escalated in 30 of the 70 countries it monitors, and receded only in 18 (see map). Many autocrats and would-be autocrats look with envy at China, where the Communist Party has overseen the construction of a walled-off information sphere, within which criticism of those in power can barely be seen or heard. None can copy it exactly, but many are deploying digital tools to curate the information that reaches their citizens.

Source: Governments are finding new ways to squash free expression online