Answer to Question 1
Answer: D
Explanation: D) A variety of tools are available to overcome these weaknesses of general-purpose search engines, and you should consider one or more of them in your business research. Web directories, such as the Open Directory Project, use human editors to categorize and evaluate websites. A variety of other directories focus on specific media types, such as blogs or podcasts.
Answer to Question 2
Answer: D
Explanation: D) For all their ease and power, conventional search engines have three primary shortcomings: (1) no human editors are involved to evaluate the quality or ranking of the search results; (2) various engines use different search techniques, so they often find different material; and (3) search engines can't reach all the content on some websites (this part of the Internet is sometimes called the hidden Internet or the deep Internet).