Of course many people knows it but don't have any idea how to earn it like me =)
GIf you continue to go through the various discussion going on in this forum, soon you'll learn and start the different methods of earning.
Bitcoin is getting more famous and that is because you see also that Bitcoin is becoming more acceptable in different stores so that is perfect for the future.
And everything is also getting more digital so you can easily pay with Bitcoin and that is also faster and easier.