This is Michael and while browsing the internet I saw another blog about "Why Isn't Amazon Dominating Online Payments?" In fact this is the name of the blog. In this blog the person who was responsible for writing it posted some ideas on how to improve the site. One factor to improve the site is to become an OAuth Provider. This means that you can log into Amazon by using a different social media like Facebook. 

What do you think will be the advantages of linking your information on Amazon with your account with Facebook or Twitter? What could the disadvantages be?