Inside out & Outside in [人事3-人材育成･ｸﾞﾛｰﾊﾞﾙ人材・評価]
As a maketing term, there is the concept of "product out & market in". The former explains that the company introduce the new products based on their technological invention, the latter explains that the company does so based on the customer needs.
Similary, there is a concept of human resource development as "inside out & outside in". The former explains that the company develop the employee based on their technological expertize,which is a traditional way. The latter , however, explains that the company should consider the enviromental change and develop the employee based on the business requirment.
For example, in case of aftersales service engineers, they have been trained how to repair the products precisely and speedy. Now they don't need to repair the products but ask the outsouce company to change the component units because of the products digitalization. So today's service engineers' job requirement is to manage the outsource compnay and logistic. The management and logistic skill are required.
So in case of the product development engineers, they also should think the enviromental change which the requirment of the customer is diversed. So they need the skill to understand the market more. The marketing skill - understand the customer insight- is essential for the engineers.