The correct answer is C. They have promoted the shift of industrialization to less-developed nations.
Step-by-step explanation
The excerpt talks about the influence that the internet connection has had to reduce barriers in the field of business. In addition, it is explain that now due to the internet connection and digital media, companies do not need to start with large capital, or be multinational to enter the market to compete with large companies, as the author say "even small-scale enterpreneurs can connect directly with customers and suppliers arround the world". From the above, it can be inferred that the changes brought about by technological changes during the 21st century have been C. They have promoted the shift of industrialization to less-developed nations.