Recent article from http://mockingbirdmarketing.com/pigeon-mess/
Pigeon Favors Directories Over Law Firms
Like the most recent Panda algo update, Pigeon seems to have favored directories over the actual businesses in these directories. There is widespread agreement among local search geeks – Mihm, Blumenthal, Shotland and more that directories have indeed benefited. Andrew Shotland noted a 5-10% traffic increase for some of the directories he works with following Pigeon. Counterpoint: I pinged the guys at Avvo who didn’t acknowledge anything dramatic.
Read more at http://mockingbirdmarketing.com/pigeon-mess/