Blog Post 9 Instructions

Hi,
This is blog post nine: Something that I've learned or found out

Tell us something that you've learned about or learned to do or found out about.

Make sure to tell us:
What is it?
Why is it interesting?
How has it changed you or contributed to your knowlege?

Tell us about something that is NOT directly related to your professional formation. It can be recent or a long time ago.

Minimum word count: 150