In fact, money is just paper, but modern currencies are supported by the state. Money is the most liquid asset that can be exchanged for anything. Money is a universal measure of the value of a product. Despite the fact that some people believe that money is not the main thing in life, I do not agree with this. That's why I'm always looking for additional sources of income. I recently read on http://joywallet.com about the platforms on which you can play solitaire for real money. I am a real expert in this, so I am sure that I will be able to earn money on this.