Answer:
Operational CRM.
Explanation:
Operational CRM can be described as most of the programs that allow a company to taking care of the desires of the consumers. The structure links and maintains the selling, marketing, and customer support activities of a corporation, thus providing a structure that requires customer service.
So, the following answer is correct according to the statement.
Most email clients contain a "subject" that allows the user to read an email message without actually opening it.
