I first heard about the documentary on a Saturday morning in March.

As usual, I was awoken by one of my children crawling into our bed. It was my older daughter, who brought a book and curled up under the covers. Being the digital addict that I am, I groggily turned on my phone, and something strange was happening — a bunch of people were talking about a documentary, "Under the Dome," that had just been released in China.

Within 24 hours of its release, it had over 100 million views online. Over that first weekend in March, it had over 150 million views.

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