Answer:
he use of open innovation can be useful in the idea generation stage of the new-product process because it helps organizations find and execute product concepts externally and overcome the associated not-invented-here barriers.
Idea generation is that stage of a new product process where the ideas are being generated for what product must enter into the development stage of the process. During this stage, several external and internal factors are kept in mind to come up with the best idea for a product.
