Yahoo! Mail is the third-largest web-based email service with 281 million users. On the searching list, the top four countries are Cameroon, Ethiopia, Malaysia, Madagascar. From the world map of the most popular website in each country, we can find that Yahoo! is the most popular one in Cameroon. So Cameroon comes first on the list. Among these countries which search "Yahoo! Mail", Kuala Lumpur is the first one followed by Bucharest.Possibly, it is because Kuala Lumpur is the capital and largest city of Malaysia. And it is also a city is of ethnic Chinese origins who are more familiar with Yahoo! Mail. While Bucharest is also the capital and largest city of Rumania which is also the economic, cultural and political center. Yahoo! Mail is a free email service offered by the American search engine company Yahoo!