Read: Programmatic Advertising: Real$-$Time Marketing, in Section $6\mathrm{.}6.$ Answer the following using standard APA format:

$1.$ Pay a visit to your favorite portal and count the total ads on the opening page. Count how many of these ads are $($a$)$ immediately of interest and relevant to you, $($b$)$ sort of interesting or relevant but not now, and $($c$)$ not interesting or relevant. Do this $10$ times and calculate the percentage of the three kinds of situations. Describe what you find and explain the results using this case.

$2.$ Advertisers use different kinds of $$profiles$$ in the decision to display ads to customers. Identify the different kinds of profiles described in this case, and explain why they are relevant to online display advertising.

$3.$ How can display ads achieve search$-$engine$-$like results?

$4.$ Do you think instant display ads based on your immediately prior clickstream will be as effective as search engine marketing techniques? Why or why not?