How to make a mind map

For our project we should use mind maps to visualize what we want to communicate. This is what Wikipedia define as a Mind map:

A mind map is a diagram used to represent words, ideas, tasks, or other items linked to and arranged around a central key word or idea. Mind maps are used to generate, visualize, structure, and classify ideas, and as an aid to studying andorganizing information, solving problems, making decisions, writing and speaking.The elements of a given mind map are arranged intuitively according to the importance of the concepts, and are classified into groupings, branches, or areas, with the goal of representing semantic or other connections between portions of information. Mind maps may also aid recall of existing memories.

Now, this is an interesting video that shows up how to create a mind map: