Yes, bitcoin does contribute to changes in people's lives. But this all makes me worry ; when the price becomes higher and people start to leave it.
Yes Bitcoin is changing the world. I'm agree to your statement that bitcoin changes people's lives. I think that bitcoin can change the world because it helps people to be a better person. It makes people to a better person because by using this it helps you to manage your time and to help your family on your financial.
Bitcoin can indeed change the world because many people have changed lives from it. So the bitcoin is very helpful in every one of us who change in every society, who have been using bitcoin like how to use it to earn income from bitcoin. Like what I have done now I joined in signatures campaign to be able earn bitcoin and this is one of the way to let you earn bitcoin and others like mining, trading, invest in a token.