look like author is using old code for user data
From Codex: http://codex.wordpress.org/Function_Reference/get_usermeta
This function has been deprecated. That means it has been replaced by a new function or is no longer supported, and may be removed from future versions. All code that uses this function should be converted to use its replacement if one exists. See also wp-includes/deprecated.php.
This function is deprecated as of Version 3.0. Please use
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