In May 2014, CNN aired footage of a Ukrainian helicopter being shot by pro-Russian militants. Taken with a cell phone camera and posted on social media, the video showed compelling evidence of the scale and technological sophistication of the Ukrainian conflict.

The video was also fake — it was actually over a year old, and from Syria. CNN retracted the footage and apologized, but the “incident” was still widely discussed on Russian and Ukrainian social media.

Read the article “ANALYSIS: Authoritarians Like Twitter, Too” on fee.org.