If you look at the list of the top digital agencies around the world, they have one thing in common. Their business is split between a few areas of expertise including creative, SEO, marketing, social media, technical, ecommerce, media planning/buying, user experience and more. With the surge in online business and marketing that took place a few years ago, digital agencies were popping up everywhere offering services in one or two of a wide range of things. It wasn't so long ago that a knowledge of HTML and basic code made you an expert in web development and design. And it was even more recent that basic familiarity with social media platforms and the tools available to win business made you a social media guru and a sought after asset for client and agency side companies alike. But it's no longer enough to be a specialist in one area of the diverse and broad digital landscape. Agencies have to think about how they can expand their services. This might involve hiring e...