ing ▁means ▁“ the ▁most ▁vulner able ▁people ▁in ▁society ▁are ▁the ▁most ▁likely ▁to ▁be ▁cut ▁off ▁from ▁the ▁help ▁they ▁need ”. ▁ ▁C ategories ▁blocked ▁ ▁In ▁July ▁ 2 0 1 3 ▁the ▁Open ▁Rights ▁Group ▁discovered ▁from ▁the ▁I SP s ▁that ▁a ▁wide ▁range ▁of ▁content ▁categories ▁would ▁be ▁blocked . ▁Block ing ▁has ▁subsequently ▁been ▁detected ▁in ▁all ▁the ▁categories ▁listed ▁by ▁the ▁I SP s ▁apart ▁from ▁' an ore x ia ▁and ▁e ating ▁dis order ▁websites ' ▁and ▁' es oter ic ▁material '. ▁More ▁information ▁was ▁gained ▁following ▁the ▁launch ▁of ▁blocked . org . uk ▁by ▁the ▁Open ▁Rights ▁Group , ▁when ▁T alk T alk ▁gave ▁additional ▁detail ▁about ▁their ▁default ▁blocked ▁categories ▁and ▁B T ▁identified ▁their ▁default ▁filtering ▁level ▁( light ). ▁ ▁Mobile ▁Internet ▁blocking ▁UK ▁mobile ▁phone ▁operators ▁began ▁filtering ▁Internet ▁content ▁in ▁ 2 0 0 4 ▁when ▁Of com ▁published ▁a ▁" UK ▁code ▁of ▁practice ▁for ▁the ▁self - reg ulation ▁of ▁new ▁forms ▁of ▁content ▁on ▁mob iles ". ▁This ▁provided ▁a ▁means ▁of ▁class ifying ▁mobile ▁Internet ▁content ▁to ▁enable ▁consist ency ▁in ▁filtering . ▁All ▁major ▁UK ▁operators ▁now ▁volunt arily ▁filter ▁content ▁by ▁default . ▁Nevertheless , ▁in ▁October ▁ 2 0 1 4 ▁it ▁was ▁reported ▁that ▁Minister s ▁were ▁draft ing ▁legisl ation ▁to ▁comp el ▁mobile ▁operators ▁to ▁block ▁access ▁to ▁adult ▁sites ▁unless ▁users ▁prove ▁they ▁are ▁aged ▁ 1 8 ▁or ▁over . ▁