There is no one answer. The industry relies on businesses and consumers to buy the latest hardware, software, mobile phones and gadgets. The manufacturers create demand for new products and fulfil that demand with ever-more sophisticated products. Financially, the IT industry seems like it can print money.
Personally, I think this model of driving innovation is not sustainable; nor is it good for the environment. We are becoming a throw-away culture. I would prefer the industry to innovate in a way that prolonged the life of products. And I would be prepared to pay more for such products. Would you?