What is the rationale for scraping content?

抓取内容的原理是怎么样的？

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But there might be a bigger snag: Is Flipboard scraping content it doesn't have the rights to?

但也许更大的阻碍在于：Flipboard是否抓取了那些它无权使用的内容？

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The inelegant aspects of screen scraping are directly traceable to the fact that content created for human consumption does not make good content for automated machine consumption.

屏幕抓取不好的一面直接源自于一个事实：为阅读而创建的内容并不太适合机器自动处理。

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Distil protects sites against automatic content scraping bots by observing site behavior and identifying patterns peculiar to scrapers.

FORBES: There Really is Something about Distil.it...

Publishers were initially peevish about Flipboard since it seemed to be scraping a large enough snippet of content from sites to discourage people from going to the site where the ads are served.

FORBES: Flipboard Gets An Upgrade, Publishers Rejoice

To address EU concerns over Google's "scraping" of user reviews and other content from rival sites, the company pledged to give content providers the right to opt out of its specialist search services -- such as Google News -- without disappearing from its general search engine.

CNN: Google in peace deal with Brussels