It is very similar to companies like Google and other internet companies. When you go and search on Google you don't pay for that. But sometimes you click on an advert and Google makes money on that.
-- Niklas Zennstrom
   
Niklas Zennstrom   Name:
Niklas Zennstrom
Type:
Scientist
Nationality:
Swedish
Birth:
1966
https://www.nutquote.com/quote/Niklas_Zennstrom