Well, Amazon also has the exact same ability to add anything on the web - add-on/extension available for most browsers. Importing my existing amazon list would

Well, Amazon also has the exact same ability to add anything on the web - add-on/extension available for most browsers. Importing my existing amazon list would be an incentive for me to at least try it in more depth. However, I might view it more an an extension of my current amazon list rather than a replacement.