Why did Jeff Bezos make Alexa?

Why did Jeff Bezos, the founder and CEO of Amazon, decide to create Alexa? Was it purely a business decision, or was there a personal aspiration behind it? Did he envision a future where households would be seamlessly connected through voice assistants, or was it a response to the growing competition in the tech industry? Did he see an opportunity to leverage Amazon's vast resources and expertise in e-commerce, cloud computing, and artificial intelligence to create a new product category? What challenges did he anticipate and how did he overcome them to bring Alexa to life? What role did his vision for the future of technology play in the development of Alexa?