Yahoo! Answers is one of the popular services of Yahoo! and source of best useful Information. Yahoo! introduced a new concept to share most useful information through their service. Yahoo! experimentally started Yahoo! Answers on 13 December 2005 and this service is clone of Google Answers. Google successfully maintained this service from April 2002 to December 2006. Yahoo! Answers and Google Answers were give good and most useful Information on any topic. In this service, Members create questions and these questions are answered by the same members. That is the concept of these two knowledge resource centers.
Unfortunately, Google suddenly closed their service due to some reasons and problems but Yahoo! still maintains Yahoo! Answers for all Internet users. Every second at least 100 questions are listed in Yahoo! Answers by the members as per my knowledge. Almost all these questions are answers within few minutes. Logically, You will receive proper answers for every refresh time. That is the specialty and power of Yahoo! Answers. Most of People use Yahoo! answers properly but some of us misuse by posting meaningless or improper questions for fun. These questions may waste Yahoo!’s valuable Webspace. However, Yahoo! earns more money than investment through Advertisers’ advertisements. 
Presently, Yahoo! allows only registered members in order to avoid spamming in Yahoo! answers. Yahoo! Answers users improve their score by writing useful answers for every question using their knowledge. Yahoo! encourages members by giving gifts for their active members by considering their Score and rating of others. Yahoo! answers strictly and seriously prohibited illegal content promotion in their services and may close respective member’s account due to terms of violation. Yahoo! Answers staff reviews respective question once any Yahoo! user reports as spam. Finally, Yahoo! automatically deletes spam questions from their database as per reporters’ considerations.
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