I've never seen objective marketer before. I'm looking for tools that can let me test my marketing on real people before i actually jump into it http://news.yco

I've never seen objective marketer before. I'm looking for tools that can let me test my marketing on real people before i actually jump into it http://news.ycombinator.com/item?id=1132756 http://news.ycombinator.com/item?id=1132756 . Do you know if anything like that exists?