Yes, "this opt-in filter has been around a few years" -- since 2008 -- and it's not even specifically British. It was announced by TELEFÓNICA and covers "O2 bus

Yes, "this opt-in filter has been around a few years" -- since 2008 -- and it's not even specifically British. It was announced by TELEFÓNICA and covers "O2 businesses in the United Kingdom, Ireland, Germany and the Czech Republic". http://pressoffice.telefonica.com/documentos/nprensa/PR0808_Child_Protection_Press_Pack.pdf http://pressoffice.telefonica.com/documentos/nprensa/PR0808_...