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Suddenly Safari has got into the habit of popping up a bar at the top of the webpage asking me to translate webpages with Google Translate. I havent installed google translate extention.....?

http://i1-win.softpedia-static.com/screenshots/Google-Translate-Bar-for-Safari_1.png

that is the feature for google website which I believe, it can automaticly detacted the foreign language base on your own language which saved on your account or computer defult language (not really sure).
 
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