I recently realized that I stopped buying things in offline shops, and even classic online shopping shrank. What I really like now is marketplaces. A marketplace website is a tool for buyers/service providers and sellers to meet and complete the transaction to mutual satisfaction.
The difference between the marketplace from the internet shop is that the first serves as an aggregator. It allows numerous shops and private persons to create their small shops under the marketplace umbrella. Buyers save their resources (they don’t need a separate website, offline premises for a shop, or even additional marketing efforts to attract the new buyers) - the marketplace brand and reputation attract the potential customers.