When Tina Went to Amazon

Multiple Choice

When Tina went to Amazon.ca,based on her past purchases,the site asked her if she was interested in a new book by Deepak Chopra.It also asked her if she wanted to be reminded when new books by Chopra or authors of similar books became available.Tina was even able to review her past purchases.All of these unique customer services enable Amazon.ca to:

A) differentiate itself from other electronic retailers of books
B) prevent price comparisons with other electronic retailers of books
C) standardize its service offering
D) combat the problems associated with service intangibility
E) do all of these