Registered users increased from 78.2 million in December to 90.1 million as of June 30.
Bigpoint has surpassed 200 million registered users, doubling its user base in just 18 months.
Taobao has grown to over 300 million registered users and commands a 90 percent market share.
Vimeo will provide Looks to its registered users for free for the next 90 days.
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Founded about three years ago, the company now has more than 8 million registered users.
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With the launch of the official Weibo.com, registered users for Weibo recently surpassed 140 million.
As of last December, Beijing-based Shi has 600, 000 online registered users and 500, 000 mobile ones.
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Registered users totaled 16.8 million as of September 30, up from 53, 000 at March 31, 2000.
It claims to have more registered users in Asia than any other social networking site.
At our peak we had over 70M registered users with 2.5M connected simultaneously at one point.
Ning has more than 100 million registered users and 60 million monthly unique visitors.
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In July, owner KingsIsle Entertainment announced that Wizard101 had reached 20 million registered users.
Since 2006, the number of registered users on Facebook has seen near 100% annual growth.
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The site has already been restricted to registered users for the last 30 days.
Among AngelList's 200, 000 registered users are 5, 000 "sophisticated" investors and 7, 000 additional accredited investors, he says.
The company had 370 million registered users at the end of 2010 and 4.7 million sellers.
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Twitter has exploded from 1 million registered users to more than 500 million over the same time.
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By contrast, Alibaba has 700, 000 registered users in the United Kingdom, 16% of whom are sellers.
As CEO, Williams was able to grow the number of registered users from three million to 160 million.
Described as the "Netflix of Africa, " Njoku's company has today grown to have more than 500, 000 registered users.
After two months, "we're seeing a 2% conversion rate" among registered users upgrading to the Premium service, says Glass.
The site has a million titles, 3.5 billion monthly visitors and six million registered users, according to the company.
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The council said it currently has 184, 000 registered users but had seen a decline in users in recent years.
Many ad executives believe Facebook's global audience of 900 million registered users makes the site too big to ignore.
Facebook has more than 150 million active users and Flickr has more than 34 million registered users worldwide.
The SOCIALSPREADS co-founders hope to get about 10, 000 registered users by time the 2012 college football season kicks off.
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With over 100 million registered users, Pandora might be big enough already to function as its own social network.
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Although more than two-thirds of Napster's 66m registered users say they will pay, experts doubt that they mean it.
In 2011, Anonymous gained access to the website and published personal data of more than 40, 000 registered users online.
According to the government's indictment, Megaupload has claimed more than 180 million registered users in its five-year existence.
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