Samsung for example was caught at it: https://www.google.com/search?q=samsung+paid+students+for+reviews https://www.google.com/search?q=samsung+paid+students+f

Samsung for example was caught at it: https://www.google.com/search?q=samsung+paid+students+for+reviews https://www.google.com/search?q=samsung+paid+students+for+re... Happens on Reddit all the time once you know how to notice it, e.g. posts about the same topic on multiple subreddits getting over 10,000 upvotes in less than 3 hours, sometimes more than there are users of that subreddit! https://www.reddit.com/r/videos/comments/bb7t71/reddit_for_sale_how_we_bought_the_top_spot_for/ https://www.reddit.com/r/videos/comments/bb7t71/reddit_for_s...