Page is a not externally linkable
-- Google SEO News and Discussion
---- Google Updates and SERP Changes - Mar 2012
tedster - 4:45 am on Mar 14, 2012 (gmt 0)Thread source:: http://www.webmasterworld.com/google/4423978.htm
Updates happen more than once a day - Google summarizes the top forty from the previous month now, but more tweak than that go live all the time.
Brought to you by WebmasterWorld: http://www.webmasterworld.com