The moderators at the giant r/news reddit (with over 2 million readers) repeatedly killed the Greenwald/Snowden story on government manipulation and disruption of the Internet … widely acknowledged to be one of the most important stories ever leaked by Snowden.
Similarly, the moderators at the even bigger r/worldnews reddit (over 5 million readers) repeatedly deleted the story, so that each new post had to start over at zero.
For example, here are a number of posts deleted from r/news (click any image for much larger/clearer version):
Write-ups of the same story from other sites – like Zero Hedge – were also deleted:
This isn’t the first time Reddit moderators have been caught censoring: