One of the central ideas in "Design Thinking for Business Growth" is the importance of collaboration across traditional industry boundaries. By working together, companies can innovate more effectively and create groundbreaking products and services that would be impossible to develop in isolation. This collaborative approach not only fosters creativity but also accelerates the pace of innovation.

Lewrick introduces the concept of "design lenses" as a way to view business challenges from different perspectives. This mindset, combined with the exploitation of momentum and speed, helps organizations to innovate more rapidly and effectively. By adopting these techniques, businesses can stay ahead of the competition and continuously evolve their offerings to meet changing market demands.

The book is filled with practical exercises and real-world examples that help readers understand and implement the ideas discussed. These hands-on activities make the concepts more tangible and provide a clear roadmap for applying design thinking principles to drive business growth. This practical focus ensures that readers can immediately start using the tools and methods to achieve tangible results in their own organizations.