Google Adwords and Facebook ads is not all that cheap since it is pay per click. I use to do affiliate marketing, seo all that stuff and it isn't all it's cracked up to be. Your referring to "bum" marketing. Stumble upon is right up there with Twitter so that isn't much different than what they are doing now. According to there Facebook page it looks like lord of events going on. So I don't see what your talking about