> Astroturfing: Coordinated campaigns... [to post,] upvote, leave supportive comments, and ask follow-up questions—creating the illusion of organic excitement..

> Astroturfing: Coordinated campaigns... [to post,] upvote, leave supportive comments, and ask follow-up questions—creating the illusion of organic excitement... Critical comments receive coordinated mass downvotes. I thought that was the dictionary definition of social media? If it isn't yet, it should be, Reddit is just the tip of the iceberg.