Click-Through Rates on Display Ads Have Been ____________ Over Time

question 21

Multiple Choice

Click-through rates on display ads have been ____________ over time.

• A)increasing
• B)decreasing
• C)about the same
• D)don't know
• E)none of the above

---

Definitions:

Signature Line

A designated space in a document where an individual signs to indicate agreement or acknowledgment.

Subject Line

The part of an email or message that summarizes the content or purpose, visible before the recipient opens the message.

Communications Protocol

a set of rules and standards designed to enable communication between electronic devices.

SMTP

Simple Mail Transfer Protocol, a protocol for sending emails across the internet.