Google later said the action had been "inadvertent", but it was not helped by the fact that it subsequently failed to delete the data gathered as promised.
They said the problem was that it then transmitted all the contained phone numbers to its servers, and failed to delete those belonging to people who had not signed up to the service.
This resulted in many failed requests to delete accounts because we had not invested sufficiently in making our account deletion process as programatically efficient as it could be.
Greenwich Time reported last week that the mother of Victoria Soto - a teacher killed while trying to protect her students - had said she had previously failed to convince Facebook to delete some of the pages.
His fellow peers also failed to be convinced by the opposition's argument, and voted against Labour's bid to delete the lifting of the private income cap by 212 votes to 154, a government majority of 58.