Nielsen Could Have Twitter’s Retention Rates WrongBy: Andy Beal - April 29, 2009
Nielsen Wire posted a shocking statistic to its blog:
Andy Beal Andy Beal is an internet marketing consultant and considered one of the world's most respected and interactive search engine marketing experts. Andy has worked with many Fortune 1000 companies such as Motorola, CitiFinancial, Lowes, Alaska Air, DeWALT, NBC and Experian.
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