There's money to be made there, and the userbase is only getting bigger.

不仅有钱可赚，而且用户越来越多。

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Mark Zuckerberg predicts the site's userbase might even reach one billion.

马克 扎克伯格预计该网站的用户群深圳能达到1亿。

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The question now becomes: How well can we retain (and hopefully grow) the userbase over this slump?

现在的问题已经演变为：我们如何在低迷的时候挽留住用户（最好是发现新的用户）？

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And what's interesting about this question, it was heavily retweeted and voted up by our userbase.

WHITEHOUSE: Twitter Town Hall

Glass, which is only available to a handful of Google employees, will broaden its userbase in the coming months.

FORBES: The View From Behind Sergey Brin's Google Glass

We expect the company to keep growing its revenues as growth in userbase will outstrip the decline in prices.

FORBES: Amazon And Google At War Over Cloud Storage Prices