In May 2008, OCLC was criticized by Jeffrey Beall for monopolistic practices, among other faults.[37] Library blogger Rick Mason responded that although he thought Beall had some "valid criticisms" of OCLC, he demurred from some of Beall's statements and warned readers to "beware the hyperbole and the personal nature of his criticism, for they strongly overshadow that which is worth stating".[38]