Answer: Technological diffusion
Explanation: In simple words, the process under which the population adopts new technology is called technological diffusion. This process helps the innovation spreading across the countries.
The new technologies are usually adopted by wealthy individuals or firms that have other resources to implement such technology into use. When a technology matures, the diffusion comes into play making its purchasable to various different individuals.
Thus, from the above we can conclude that the right answer is technological diffusion.