If a marketing message falls upon no ears, does anyone hear it? If you create appealing marketing campaigns and communications, but don't build an audience to receive them, what was the point? The point is, marketers today are better than ever at creating marketing stuff, but developing an uproarious, engaged, enthusiastic audience to receive messages has never been more difficult. Consumers' attention spans are increasingly fragmented, while digital noise is growing louder and louder, and as you'll read in both recent research and Jeff Rohrs' new book, AUDIENCE, brands must either develop a proprietary audience or risk performing to a depressingly empty auditorium. In this infographic, we break down the top email, Facebook, Twitter, SMS, and mobile app marketing tactics that marketers are using today, and explain a bit more about their objectives for each channel. Check them out, and start filling the seats in your digital audience with actionable strategies.