Effective Marketing

Find an example of a cCampaign we are using: “Shot on Iphone”urrent or recent advertising campaign being used by an organization.
.Write a paper of 1,000-1,200 words that addresses the following questions:

What are various effectiveness measures that might be used from both a pre-testing and post-testing perspective?
Why would these particular testing methods be appropriate?
How can the information these measures provide be used by the marketer at various stages of the advertising campaign?