Google released a translation gadget which can translate blog or website easily from one language to another. According to wikipedia only 35.2% of the internet users are English, so it makes sense to add translation widgets for your blog to increase the reach for your blog.
Google Translator widget supports lots of languages as of now if your primary language is English. This widget also served through Javascript and carries a link Google Translator and Google Gadgets.
Add the Google Translate gadget to your webpage is quick and easy. Its offer instant access to automatic translations of that page. Go to Google Translate gadget, select the language of your webpage, copy and paste the HTML to include the gadget on your webpage.