Blogger web 组件，可以看到Blogger中别人就你看到的这个页面的评价，也可以 blog this

以下为引用内容:

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Blogger Web Comments for Firefox is an extension that makes it easy to see what bloggers are saying about a page you’re viewing in Firefox and even make your own blog post about it, all without leaving the page you’re on.

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安全，还是安全…

以下为引用内容:

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Google Safe Browsing is an extension to Firefox that alerts you if a web page that you visit appears to be asking for your personal or financial information under false pretences. This type of attack, known as phishing or spoofing, is becoming more sophisticated, widespread and dangerous. That’s why it’s important to browse safely with Google Safe Browsing. By combining advanced algorithms with reports about misleading pages from a number of sources, Safe Browsing is often able to automatically warn you when you encounter a page that’s trying to trick you into disclosing personal information.

For more information, see the FAQ.

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via http://googleblog.blogspot.com/2005/12/new-firefox-extensions.html