另一个相似的情况为，Web开发者不想使页面信息变得模糊，尤其是用户输入依赖于显示全部页面内容的情况。
Another similar scenario is when a Web developer does not want to obscure information on the page, particularly if the user input relies on being able to view the whole page content.
如果你是 Mac 用户，你会发现有很多非常大的网站为了防止页面字体模糊而拒绝使用 CSS，他们很可能使用 px 作为字体尺寸，而这种选择所隐含的思想就是“设计者也是主宰者”。
Chances are they are using points as a measure of font size. Underlying this choice is the “designer is controller” philosophy.
将整个图像执行几次模糊化，直到无法阅读页面上的文本。
Blur the entire image several times, until you can't read the text on your page.
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