Drones are not just toys!
I saw this article and I got impressed. I already hurt myself by being stupid to upgrade my flight controller without removing the quadricopter propellers. I learned the lesson.
More important than avoiding getting hurt is to prevent other people or any living being to get hurt in your fun time. Drones are not simple toys, they can seriously hurt a person.
Whenever you fly, avoid people around. Take a look in this case I found on the BBC news:
Toddler’s eyeball sliced in half by drone propeller
Don’t be put off by the trust. People safety always comes first!
Here is the link to the complete article.