Consist of abbreviated symbols, letters, or pen strokes. They’re also a great way of capturing information quickly. 

There are many forms of shorthand, and, depending on how similar they are to modern writing conventions, they can be quite difficult to learn.

For more than 2,000 years people have used shorthand to make note-taking quicker and more reliable.

Limiting the space you have to write your notes on is a way of filtering through the massive amounts of information you must process. 

It forces your brain to be selective and prioritize information.