Web Science/Part2: Emerging Web Properties/Web Search Ecosystem/Finding the true value of an advertisement/quiz

{How do Web Search engines like Google determine the CPC of a keyword? + It is found during the process of an Action - It is defined by the share holders - It is decided by the founders - It is decided by the government - It is decided by an independent advertising agency
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{Which of the following are true about second price auctions + the dominant strategy is to bid for the true value of the item. - Strategic bidding will save the bidders money - The second highest bid wins the auction + the highest bid wins the auction + the second highest bid is been paid - the highest bid is paid
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