Guest post by Dorie Clark (@dorieclark) is a marketing strategist who teaches at Duke Universityās Fuqua School of Business. She is the author the new book, Stand Out, which is now available. Itās getting harder to communicate these days. Of course, the tools and channels are more ubiquitous than ever. We can blog or podcast or share sepia-toned Instagrams or racy Snapchats or funny Vines. But is anyone actually listening? With more noise and clutter than ever before, how can…