If you need more proof of how digital marketing is a changing field, look no further than this article: Industry Experts Predict the Top 5 Digital Marketing Trends for 2013
If you want to go into something stable and consistent, where you know what you'll be doing in 10 years and it will be the same as what you're doing today, digital marketing definitely isn't for you. Just like in ITM, you can expect technology to change so much, even in just a year, that you could be working on completely different platforms than you when you started.
Important to note in the article is the growing importance of mobile. Reaching consumers on their smartphones is rapidly becoming the next big thing in digital marketing. I think schools that want to have the best digital marketing degree programs will need to include courses focusing on m-commerce.
