Twinity unveils replica of Berlin

http://virtualeconomicforum.com/content-library/blogging/about/twinity_unveils_replica_of_berlin/

virtual world: a total of six square kilometres.

It may be easier to persuade a company, such as a shop, to maintain a virtual presence if it is tied to their real-world presence – it provides natural ad targeting, in that people who live in or visit the real world area are more likely to visit the virtual replica.

--> 관련해서 아래 동영상도 한번 보시기 바랍니다.

http://www.ust.ucla.edu/ustweb/Projects/ucla_shuttle.htm