When You Put Your Heart to It...It's All about Economics
The basic principles of economics goes something like this: the greater the demand for something, the higher the price for that something will be. More people will go produce that something because they know they can make good money of it, creating more competition for that something among the producers. And when there is more competition, the producers will seek to create better version of that something faster and cheaper than others so that s/he can get a bigger share of the demand than others, and make more money.