"Bots talking to bots." Came across this subreddit that appears to exist only to take advantage of how appending "reddit" to search terms is being favored in SEO.

It's mentioned in this really good Verge article about SEO. I don't think it's a good sign for Reddit to just allow such blatant spam and makes me think how much subtler spam is out there too.

I've personally noticed more a few times in old threads you'll find a comment made months later that's recommending a product.