成龙在北京为一件大事录制了一首主题曲。他说会对自己代言的产品倍加小心。
Jackie Chan records a theme song for an event in Beijing. And he says he's careful about what he endorses.
许多人认为powerset是一个普通的语义搜索引擎，但它的首款产品就限于wikipedia，将该技术大范围应用到整个web世界，价值就很高了。
Many thought Powerset to be a generic semantic search engine, but its first product is limited to Wikipedia. It is not trivial to scale the technology to the entire web.
The Daily是首款通过苹果商店提供经常性订阅的产品。
The Daily is the first product to offer recurring subscriptions through Apple's store.
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