对于消费类的iPhone应用来讲，用户会话平均时间是4到5分钟。

For consumer iPhone apps, the median time of a user session is between 4 and 5 minutes.

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网络上许多消费类的产品希望为你推荐你可能喜欢的内容(link)。

Many consumer products on the Web aim to recommend you things that you may like. A couple of years ago, Alex Iskold outlined what he saw as the 4 main approaches to recommendations.

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之前的国际消费类电子产品博览会在很大程度上是以“酷”为主题的。

So much of what CES has been about is cool.

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