Google's Jeremy Hylton confirms that the search engine began having issues crawling some blogs around the holidays, and continues to debug the problem. Schwartz suggests the problems began in November, around the time Google changed how it indexed blogs. "In early December they vowed to fix it and then in late December, Christmas time, they thought they fixed the bulk of it," he writes. "However, there are still issues that Google is aware of, including the issue mentioned above."