As democracies around the world struggle to hold back the rising tide of authoritarianism, a similar crisis is unfolding online. Three factors converged this year to make 2018 the eighth straight year that global internet freedom declined, according to an annual report from the nonprofit Freedom House: increasing censorship in response to disinformation, the widespread collection of personal data, and a growing group of countries emulating China’s model of digital authoritarianism.

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