Answer to Question 1
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Answer to Question 2
Computer technology makes gathering detailed data about online behavior easy and inexpensive. They may count the number of hits - mouse clicks on a single page of a website. Similarly, they can track page views, or single, discrete clicks to load individual pages of a website. A click-through rate (CRT) is the percentage of people who are exposed to an advertisement who actually click on the corresponding hyperlink which takes them to the company's website. A researcher could also count the number of unique visitors to a website, which counts the initial access to the site but not multiple hits on the site by the same visitor during the same day or week.