What industry does Amazon.com compete in?

Amazon.com primarily competes in the e-commerce industry, offering a vast marketplace for consumers to purchase a wide range of products. Additionally, it has a significant presence in cloud computing through Amazon Web Services (AWS), which provides various technology solutions to businesses. Amazon also competes in digital streaming with its Prime Video service and in smart home technology with products like Alexa and Echo devices. Overall, Amazon operates in multiple sectors, including retail, cloud computing, entertainment, and technology.