Google has really altered the Search Engine Optimization landscape in the past few years. Companies that went against Google’s guidelines were either banned from the search results entirely or their products and services were moved way down search results into obscurity. This video from Rand Fishkin at MOZ does a really good job of highlighting current SEO strategies (or perhaps better, Search Engine Marketing strategies). Don’t start the video and leave thinking you already know this stuff, he is joking about the first 5.