Data Retention and Investigatory Powers Bill

Is my hon. Friend aware that Professor Steve Peers of Essex university—he is an expert in this field, as I am sure my hon. Friend knows—has drawn attention to the objection by the Court of Justice to the requirement to retain all communications data? The fact that the directive required all data to be retained from all subscribers was the first of the considerations taken into account by the Court in reaching its conclusion that the directive was disproportionate.