Every year something in SEO dies and several new things are born. The biggest change we’ve seen in years is the way links are built and calculated by Google.
It’s no longer as effective to just get links back to your site. You can blame Panda, Penguin, Hummingbird and the rest of the farm for the animal that is SEO.
For years we’ve emailed webmasters of relevant sites and asked for links. We’ve submitted sites to directories, niche search engines, connected social networks together, and just about everything under the sun.