Janice has set up a sponsored ad for her new series of cookbooks. She has selected the keyword “computer” for this ad. Which principle explains why her ad may not display?

Q. Janice has set up a sponsored ad for her new series of cookbooks. She has selected the keyword “computer” for this ad. Which principle explains why her ad may not display?

• cost-per-click
• relevancy
• engagement
• ad spend