How many models of Amazon business are there?

Amazon has a variety of successful business models that have helped it become the dominant force it is today. These include the Amazon Marketplace, Amazon Web Services, Amazon Prime, and Amazon Go. The Marketplace has grown significantly over the years and is now responsible for more than half of all units sold on Amazon. AWS is a cloud computing platform that provides businesses with computing power, storage, and databases. Amazon Prime is a subscription service that provides access to movies, TV shows, and music.

Amazon Go is a new business model that has been making waves in recent years. Amazon Go is a chain of convenience stores that uses advanced technology to allow customers to walk in, grab what they need, and walk out without having to go through a checkout process. Amazon has also experimented with other business models, such as AmazonFresh and Amazon Flex, which have contributed to the company's success. However, Amazon's dominance in several industries has raised concerns about its market power and the potential for antitrust violations. Despite these concerns, Amazon has been successful in adopting multiple business models, and it will be interesting to see how Amazon continues to evolve and adapt to changing market conditions.