There is couple ways how you can earn money on the internet.
Let's sum up the TOP3:
1) Video blogs - this is a new trend, you make videos and make money.
Here is an example of video that can make you money.
2) Investing on the markets. I personally used this system and it was working for me: go there.
3) Find a unique thing and promote it. That will make you famous.
So this is it.
Check one of those and make the best out of it.
I have tested a lot of things, websites so you don't have to do it yourself