=== HTTP code : 200 ===

HTTP/1.1 301 Moved Permanently
Date: Wed, 18 Jan 2012 20:25:43 GMT
Location: http://twitter.com/writingtosanity
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HTTP/1.1 200 OK
Date: Wed, 18 Jan 2012 20:25:43 GMT
Status: 200 OK
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Link is valid.