Design thinking is a problem-solving process that helps you come up with new ideas. It overlaps with the more traditional field of “design” and visual thinking. As Daniel Pink masterfully explains, all aspects of design thinking are vital 21st century skills.
Get started by reading anything by Tina Seelig (start here) and exploring Stanford d.school where Seelig works. (Check her out in the video below.) Then check out this excellent piece on how to become a designer without going to design school.