1. What does the "M" stand for in "CPM?
(a) The unit used to measure the number of Internet users.
(b) The Roman numeral for one thousand.
(c) The "maximum" number of clicks an advertiser has paid for.
(d) The "monthly" amount of advertising fees.

2. What is Battelle's central focus in Chapter 2?
(a) To describe the process a search engine goes through to track Internet users.
(b) To explain how search engines work, when and why they are used, and how many people use them.
(c) To detail the beginning of search engines.
(d) To explain the history of the Internet and why searches account for the largest percentage of Internet use.

3. When Gross approaches Google to sell his plan, what happens?
(a) Page and Brin both reject it.
(b) Brin wants to use it, but Page rejects it.
(c) Page and Brin cannot afford to pay Gross what he is asking for it.
(d) Page wants to use it, but Brin rejects it.

4. What is especially fascinating about the story of how Larry Page and Sergey Brin worked together to create Google?
(a) Neither one of them had actually used a computer before they met and decided to create a search engine.
(b) They did not like each other at first, but both become business partners out of their common interest in building something useful.
(c) Most of their friends and associates did not believe in their idea and tried to discourage them from pursuing it, but they did not listen.
(d) They were both best friends before they were business partners, which is why they were successful.

5. What does Google add to the concept of parallel computing to make it even more beneficial?
(a) The notion of allowing other companies access to their hardware to cut operating costs.
(b) The plan to build all of their own hardware to reduce labor and equipment costs.
(c) Twice as much hardware to double their results.
(d) Huge, cost-effective scaling by using inexpensive hardware.