As marketers, we’ve gotten quite good at evolving our playbooks when it comes to SEO. But the changes we’ve seen to this point are nothing compared to what’s coming next.We are in the early stages of a new era of search — an era tied closely to more sophisticated patterns such as mobile, social, and voice search, among other things. And for the first time this isn’t just a matter of adding a new chapter to our SEO strategy, it’s a matter of creating entire new playbooks.