3. Why are most Internet startups willing to use incremental models for development?

① suitable for the profit of some of the products, you can first look at the market of this product, not to lose too much, and in favor of future product updates; ② because can be in a short time to the user to submit some useful products, can solve some emergency function for the user; ③ because only part of the user function is submitted at a time, Users have more time to learn and adapt to new products; ④ 's maintainability of the system is a great improvement, because the whole system is integrated by the components, and when the requirements change, only part of the parts are changed, without affecting the whole system.

3. Why are most Internet startups willing to use incremental models for development?