Amazon's support of customer needs continued to grow

Q.1 Has Amazon's support of customer needs continued to grow or at least maintain the level of service they have had or has there been a decline as they continue to grow? Q.2 Are there other examples you can see of this in companies outside of Amazon? Q.3 Is it always good to be a leader in innovation or sometimes is it better to be a follower? Q.4 How do Amazon and Jeff Bezos differ from Tesla and Elon Musk?