http://meredith.wolfwater.com/wordpress/2009/03/16/congrats-to-the-2009-movers-and-shakers/ has been crawled 4 times going all the way back to March 29, 2009.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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July 14, 2010

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Note

This calendar view maps the number of times http://meredith.wolfwater.com/wordpress/2009/03/16/congrats-to-the-2009-movers-and-shakers/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.