Learning basic code is quickly becoming a necessary skill for digital marketers. Think about it, if you have even the most rudimentary training in coding, you can build and stylize important pieces of marketing content. HTML and CSS isn't hard, and there are so many resources available to learn these things. Who knows, maybe you'll even be inspired to set up microsites as part of your overall marketing efforts.

Related to coding, it's important to have at least some design skills. Having them will allow you to create cohesive marketing materials, social calls, and other one-off efforts. Think about how easy things would be if you didn't have to rely on your team's designer to produce branded graphics for each blog post, contest, announcement, and so forth.