Posted by MarieHaynesIf you've ever been the victim of a Google penalty, you know how painful it can be to identify the problem and recover from the hit. Even if you've been penalty-free thus far, the threat of getting penalized is a source of worry. But how can you avoid it, when it seems like unnatural links lurk around every corner?In today's Whiteboard Friday, we're overjoyed to have Google penalty and unnatural link expert Marie Haynes share how to earn links that do comply with Google's guidelines, th...