Service design and product service systems (PSS) are currently booming, especially in combination with the internet of things. You can't just design a product, you need to design a holistic solution and the service around your products. I personally like approaching complex problems in which you need to solve the complete situation, instead of one sub-problem. This means that you can have an impact and change a situation positively.
A lot of industries are being disrupted by rapidly emerging start-ups (look at Netflix & Uber), that come up with radically new innovations or paradigms. Looking at problems differently, is one of the key skills of an Industrial Designer in my opinion, and subsequently come up with new products or services. This is not only interesting for new start-ups, but also for established companies, how should you cope with disruptions? And how to react, or act proactively?
Design isn't limited to tangible products. Identifying new market opportunities, developing new innovation approaches, investigating how the company can leverage their competences, identifying customer personas etc. is where my strengths as a creative strategist lie. I like designing tools, customer journeys, future roadmaps etc. for companies, as it makes the fuzzy front end of design tangible.
Lately I'm intrigued by socially responsible projects, projects that contribute to the society in general. I think this is an up and coming industry, especially in this time. Some subjects (social issues) that interest me in this industry are the following: Social isolation of elderly, immigration & integration (of refugees), high unemployment rate of youth / 50+, texting while driving etc.