1. Why is clickstream data so important to search engines?
(a) It tells them how often people use the Internet.
(b) It provides them with the personal ISP number for Internet users, which is used to contact them in the future.
(c) It helps them analyze the preferences of Internet users to present them with effective advertising.
(d) It gives them the total number of clicks to a website so they can charge that particular website accordingly.

2. What happens to prove that Google can generate billions of dollars in revenue from developing search engines and databases?
(a) They begin offering ad space for companies who own websites.
(b) They begin accepting payments for higher rankings in search results.
(c) They begin advertising the products of offline stores.
(d) They begin working with Amazon to direct more buyers to their search pages.

3. How long does Schmidt take before understanding the place of a search engine and agreeing with Battelle?
(a) Three years.
(b) One year.
(c) He never agrees with Battelle.
(d) Two years.

4. What component of a search engine sends information requests out on the Internet and collects the information gathered from websites?
(a) A keyword.
(b) Website link.
(c) The clickstream.
(d) A crawler.

5. How is the intelligence coded to speed up and refine a search for Internet users?
(a) By correcting misspelled words entered in the search box.
(b) By eliminating duplicate website links.
(c) By only displaying websites with an exact match in content to the keywords.
(d) By suggesting additional or alternative keywords.