Should I use Google's JSAPI in production code?

Possible duplicate of:

should-i-link-to-google-apis-cloud-for-js-libraries

also many other discussions, including:

Where do you include the jQuery library from? Google JSAPI? CDN? Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail

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I was looking at the Tiny MCE plugin example and saw this code in the head of the document:

<script type="text/javascript" src="http://www.google.com/jsapi"></script>
<script type="text/javascript">
    google.load("jquery", "1.3");
</script>

I've never seen this way to load jQuery.

• Is this recommended for production?
• What is the benefit of this method?

Yes, definitely. Google encourages it. Everyone benefits. It's more likely to be in their cache, and it's one less file that you have to serve.