These tools have proven to be easy to teach and easy to learn. Not only that, they work as a system and not just as independent pieces. From idea generation, to business model design, all the way through pitching your project, there is a tool that can be used at each step. All of those tools have a BIG common denominator: they are visual! That is extremely important when trying to communicate in a simple and easy, yet comprehensive way. With these tools each iteration or pivot has an instant feedback, which saves a lot of trouble and disappointments. Even if you are still in the desert, you know which way you have to walk.