Excerpt below, courtesy of engadget. For the complete story, visit the link.
At least 89 subs have been targeted by Russian propaganda.
Last September, a Reddit user called DivestTrump uploaded a detailed report to Reddit about suspicious political posts that targeted the site's main pro-Trump discussion forum. The content chiefly originated from two websites, brutalist.press and usareally.com, which have both been linked to Russia's Internet Research Agency and individuals under investigation by Robert Mueller's FBI probe.
But it turns out that's just the tip of the iceberg; tens of millions of reddit users could have been influenced.