Looking to brush up on your understanding of SEO? Be careful, the Internet’s a noisy place. With so many people spewing their opinions everywhere, it can be hard to drown out the sludge. As an SEO agency, we’re fully aware of the disparity in SEO advice out there, which is why we’ve put together a short list of some of the most credible voices in the SEO industry. Separate the pretenders from the gurus by following this knowledge-packed list of personal SEO accounts.