उत्तर : 1. "www.ebay.in"
व्याख्या :

1. We live in an eCommerce-centric world where all types of business models are growing at a rapid pace.

2. This model involves electronic transactions between two customers. Typically, they transact through a third party that provides a platform to those two customers. Websites selling second-hand items are examples of the C2C eCommerce model.