Thanks to technology, learners in every corner of the globe can now study nearly any subject online, often for free (or next to free.) Here are three free courses that can help you better run your business.

Marketing in a Digital World: This popular course from the University of Illinois "examines how digital tools, such as the internet, smartphones, and 3-D printing, are revolutionizing the world of marketing by shifting the balance of power from firms to consumers."

Decision-Making in a Complex and Uncertain World: This course from the University of Groningen via FutureLearn promises to help you make better decisions, particularly in a fast-paced world that doesn't always make choosing correctly easy.

Preparing to Manage Human Resources: From the University of Minnesota, this course is ideal for entrepreneurs looking to level up their recruiting and retention efforts. "This course provides a foundation for developing your own approach to skillfully managing employees by illustrating alternative human resource management (HRM) strategies, introducing the importance of the legal context, and thinking about what motivates employees," the course description explains.