How has eCommerce affected business-to-business transactions? Explain how the Internet supports eCommerce and give an example to support your learning point

How has eCommerce affected business-to-business transactions? Explain how the Internet supports eCommerce and give an example to support your learning point. Moreover, describe Net marketplaces and explain how they can differ from private industrial networks (private exchanges).  What are your thoughts and reflection? 

 Read the posts of your peers and respond to two (minimum), expanding on the concepts covered in their initial post. The quantity and quality of your posts will determine the value of the group's learning experience. Provide a substantive and appropriate response.  A suggested minimum of 300 words for the initial posting is helpful.