Which,if Any,of the Following Is NOT a Step for Improving

Multiple Choice

Which,if any,of the following is NOT a step for improving the technology of customer interfaces?

A) Include marketer input when designing customer interface technology
B) Stay customer-focused when designing customer interface technology
C) Ideally,the customer interface technology should be visible to customers.
D) Customer interface technology should be designed for flexibility.
E) All of these improve the technology.