Netflix used a $1 million reward to upgrade its recommendation engine, while similar statistical challenges are hosted by the website Kaggle.

Netflix公司（全球十大视频网站中唯一收费站点）斥资一百万美元奖励能改进其推荐引擎的人。 同样，Kaggle网（一个众包①预测模型平台）主办了统计挑战大赛。

youdao

Before launching any new website, feature, or upgrade, it has to be tested.

在发布任何网站、特性或者更新之前，都需要进行测试。

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By 1996 there was so much traffic on the website that he had to upgrade and he began charging a fee to members.

到1996年，有这么多的网站，他不得不升级，他开始向会员收取交通费。

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Or when the shares of Books-A-Million, a retailer, rose tenfold within three days on the back of an upgrade to its existing website.

ECONOMIST: Michael Lewis

The Warped Tour website powered by Vixlet will completely upgrade the user experience from a flat web experience to one in which fans will be able to stay connected year round, and continue to bond over their favorite bands and tour experiences.

FORBES: Introducing Vixlet

It said customers were alerted to the upgrade by letter or on the website and the new system would offer additional benefits to these customers.

BBC: Anger over Abbey's online glitch