Facebook日本区域经理Taro Kodama向美国Facebook总部反映了这一问题，然而目前发言人Kumiko Hidaka尚未发表回复。
然而Mixi等日本社交网站推出的这一服务并没有阻止大量日本用户涌向社交网站Twitter。通过与当地网络手机服务公司Digital Garage合作，Twitter用户迅速增长。据Nielsen Online NetView报导，2010年7月Twitter日本用户达1000万。当然，Twitter并不要求用户提供真实个人信息。
尽管不一定都是正面形象，Facebook和马克·扎克伯格在日本获得了大量的媒体曝光。本周，讲述马克·扎克伯格个人创业史的电影“The Social Network”在日本上映。
对此，日本社交媒介顾问Toshihiko Michibata认为Facebook可通过邀请名人参与等方式，教导日本用户在网络中使用真实姓名其实并不可怕，反而更实用。日本可谓是极端关注隐私问题的国家之一。在今年5月有人抱怨Facebook分享过多用户个人资料之后，Facebook采用了强势的隐私管理方式。知名博客主Akky Akimoto表示目前Facebook虽然加强了对用户隐私的管理，但在其他方面仍有不少问题。
Mr. Zuckerberg, the 26-year-old Facebook chief executive and co-founder, may be the man of the moment in the United States and much of the rest of the online world. But here in Japan, one of the globe’s most wired nations, few people have heard of him.
And relatively few Japanese use Facebook, the global social-networking phenomenon based in Palo Alto, Calif., that recently added its 583 millionth member worldwide.
Facebook users in Japan number fewer than two million, or less than 2 percent of the country’s online population. That is in sharp contrast to the United States, where 60 percent of Internet users are on Facebook, according to the analytics site Socialbakers.
So even as Goldman Sachs pours $450 million into the company, Japan, with a large and growing online advertising market, is a big hole in Facebook’s global fabric.
Japanese, until now, have flocked to various well-entrenched social networking sites and game portals — like Mixi, Gree and Mobage-town. Each has more than 20 million users, and each offers its own approach to connecting people online.
One trait those sites have in common is crucial to Japan’s fiercely private Internet users. The Japanese sites let members mask their identities, in distinct contrast to the real-name, oversharing hypothetical user on which Facebook’s business model is based.
Japanese Web users, even popular bloggers, typically hide behind pseudonyms or nicknames.
“Facebook does face a challenge in Japan,” said Shigenori Suzuki, a Tokyo-based analyst at Nielsen/NetRatings. “There are powerful rivals, and then there’s the question of Japanese Web culture.”
Taro Kodama, Facebook’s manager for Japan, referred questions to the United States, where a spokeswoman, Kumiko Hidaka, did not respond to requests for comment.
One key to the growth that might help justify the $50 billion valuation that Goldman’s planned investment placed on Facebook would be to expand its presence in Japan. The overall online advertising market in the country had sales of 706.9 billion yen ($8.5 billion) in 2009. (Someday China could present another big growth opportunity. But, for now, government censors there block access to Facebook.)
Mr. Zuckerberg has promised to address the Japan gap. But it will not be easy.
To begin with, each of Japan’s own social networking sites, though no longer growing at the breakneck pace of the past few years, has at least 10 times as many users as Facebook, which was introduced in Japanese in mid-2008.
Most similar to Facebook is Mixi, started in 2004. Users post photographs, share comments and links, and interact on community pages that have become huge forums based on themes as diverse as recipe-sharing and Michael Jackson. Mixi has more than 21.6 million members.
Fast-growing Gree, which overtook Mixi this year with nearly 22.5 million registered users, has expanded by buttressing a popular game platform for mobile phones that offers free games, which users play with manga-style avatars; fancy outfits or tools for games are available for a fee.
Mobage-town, which has almost 21.7 million users, offers a similar combination of avatars, games and accessories. It also lets users earn virtual gaming money by clicking on advertisers’ Web sites.
Now, all three sites are starting to incorporate elements of Facebook — like allowing third-party developers to make apps for the sites — giving Japanese users little reason to switch.
Mixi, meanwhile, has been adapting some techniques of other popular Silicon Valley start-ups. Since late 2009, for example, Mixi users have been able to send short, real-time messages with a maximum of 150 characters, akin to Twitter, the popular microblogging service.
Such flourishes have not kept many Japanese consumers from taking to Twitter, which is catching on here at a speed Facebook may envy. A partnership with Digital Garage, a local Internet and mobile services company, has touched off a surge in Twitter users, who numbered about 10 million in Japan in July, according to Nielsen Online NetView. But Twitter does not require users to reveal their identities.
Facebook and Mr. Zuckerberg are about to get a blast of publicity in Japan, although perhaps not of the most positive sort. “The Social Network,” the movie that presents a less-than-flattering portrayal of Mr. Zuckerberg, opens in Japan this week.
Facebook has stepped up efforts to tailor its service to Japan. A Japanese version of the site, translated free by volunteers, was introduced a few years ago, but the company opened a Tokyo office in February to customize the site for Japan. (Facebook’s Japanese site, for example, allows users to display their blood types, considered an important personality trait here.)
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Some users complain that Facebook’s Japanese-language site is awkward to use.
People like Maiko Ueda, 26, a Mixi devotee, see little reason to switch. Ms. Ueda, who works at a stationer based in Osaka, logs into Mixi at least once a day to read other users’ “diaries,” which resemble status updates on Facebook, albeit in longer form. She uploads pictures of her American shorthair cat, and sometimes writes about her day in her own posts.
But most people on Mixi do not know her real name, nor have they seen what she looks like. In her five years on Mixi, she has never uploaded a photo of herself.
She has heard of Facebook but says she is suspicious of “how open it seems.”
“I don’t want to give it my real name,” Ms. Ueda said. “What if strangers find out who you are? Or someone from your company?” She spoke on the condition that her Mixi user name would not be revealed.
In a survey of 2,130 Japanese mobile Web users by the Tokyo-based MMD Laboratory, 89 percent of respondents said they were reluctant to disclose their real names on the Web. Specialists say that while Facebook users in the United States tend to recreate real-life social relationships online, many Japanese use Web anonymity to express themselves, free from the pressures to fit into a conformist workplace.
In a 2010 survey by Microsoft of social network use among 3,000 people in 11 Asia-Pacific countries and regions, respondents on average said that only about one-quarter of their friends on social networking sites were close friends. In Japan, more than half of all respondents said that not one of their acquaintances on social networks was a close friend.
Mixi has grown by letting users sign up with pseudonyms, and gives its subscribers fine-tune controls over who sees posts and other uploads. Mixi also lets users closely monitor who has viewed their profiles with a function known as “footprints.”
In contrast, Facebook has insisted that Japanese users adhere to its real-name policy. “Facebook values real-life connections,” warns a message that pops up when a Japanese user withholds information, like the traditional characters used in names. “Please use your real name,” it reads.
“I think there has to be an event, a celebrity signing up for Facebook, or something else that teaches Japanese users that identifying themselves online isn’t scary and can be useful,” said Toshihiko Michibata, an e-commerce and social media consultant in Japan.
Japan could be an extreme case of the privacy issues that Facebook is tackling elsewhere. Facebook introduced stronger privacy controls in May after groups complained that it shared too much personal data.
“The dangers of too little privacy may be lost in the global Facebook fad, but it’s likely to become a growing problem elsewhere,” said a popular blogger known online as Akky Akimoto, who does not reveal his real name and refuses to be photographed in public. “I’d hate it if people on the street recognize me, without me knowing.”
Still, Facebook may have a powerful force on its side: Japanese consumers’ penchant for all things new.
With Mixi in its seventh year, it is starting “to feel old,” said Mitsuyo Nakata, a Web designer. Its growth has slowed, as have advertising revenue and investor confidence. Profits have fallen at Mixi for three of the last four quarters, and its stock price has slumped 70 percent since its initial public offering in 2006.
In an interview with the Nippon Television Network in November, Mr. Kodama, the Facebook manager for Japan, said he was confident that users would start warming to Facebook’s real-name policy once they discovered the usefulness of finding old classmates online.
“The Internet in Japan has not been so closely connected with real society,” he said. “Those other community sites can keep offering the joys of staying remote from real life.” (Source：nytimes)