It’s been said before and I’ll say it again: SEO is constantly changing. This past year we saw Panda and Penguin updates, the increased importance of semantic SEO, new features available in AdWords, updates to Google+ and authorship, and much more. One of the best ways to keep up with SEO news is to follow some of the top SEO blogs in the industry. Unfortunately, navigating through all of your choices isn’t always easy.