Massive leak exposes how China’s ‘Great Firewall’ is being exported to other countries

For years, China’s government has used what’s known as the “Great Firewall” to censor the internet inside its country and block access to select foreign websites. Now, a document leak shows that a little-known Chinese company is exporting these tools to other countries, including Myanmar, Pakistan, Kazakhstan and Ethiopia. Ali Rogin speaks with WIRED senior writer Zeyi Yang to learn more.