Google just released its transparency report disclosing data dating from July 2011. As an example, the report shows the number of requests it received over the past month; the number URL removal requests (1,255,402), by targeted domains (24,374), by copyright owners (1,314) and by reporting organizations (1,099). The full report is available here. A blog posted by Google Fred von Lohmann, Senior Copyright Counsel is available here.

[1] http://www.google.com/transparencyreport/removals/copyright/
[2] http://googleblog.blogspot.ca/2012/05/transparency-for-copyright-removals-in.html

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Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot edu