A reverse auction is the most common auction model for large purchases. During a reverse auction, the sellers bid to obtain business from a potential buyer.

Ebay is a huge business. business model is online shopping.

Here are some of the important business models that you can find on the Internet:

1. PRODUCTION MODEL
2. MERCHANT SHIPPING MODEL
3. ADVERTISING MODEL
4. AFFILIATION MODEL:
5. BROKER MODEL:
6. INFORMATION MODEL
7. SUBSCRIPTION MODEL
8. UTILITY MODEL
9. COMMUNITY MODEL

When you decide to do business online, it is important to determine which of these business models or ideas interests you the most. Which model are you most suitable for? In which of these business ideas are you most likely to be considered an expert, or where do you want to become an expert? Visit Shopexy for more Information

Amazon.com uses a virtual storefront model. This type of business model enhances the company's ability to conduct secure transactions and payments as well as storage of client information. eBay on the other hand uses an auction internet business model.
Virtual storefront

Yes, because The Business Model Canvas is a theory and model, as well as a computer online tool based on the same theory and model.