I stumbled on some great articles from Lifehacker showing that there’s a strong link between cognitive abilities and handwriting. While the first focuses more on writing rather than typing as a way to retain new knowledge, the second focuses specifically on the connection between writing down your goals by hand and achieving them.
Article 1: Why You Learn More Effectively by Writing Than Typing
Article 2: Why You Should Risk Dweebhood with Written Goals
All the bound-journal lovers, rejoice!