▁information ▁could ▁be ▁used ▁for ▁identification , ▁tracking , ▁or ▁target ed ▁market ing . ▁, ▁this ▁has ▁largely ▁not ▁come ▁to ▁pass . ▁ ▁R F ID ▁tag ging ▁on ▁humans ▁ ▁A ▁human ▁micro ch ip ▁impl ant ▁is ▁an ▁ident ifying ▁integrated ▁circuit ▁device ▁or ▁R F ID ▁trans ponder ▁enc ased ▁in ▁sil icate ▁glass ▁and ▁impl anted ▁in ▁the ▁body ▁of ▁a ▁human ▁being . ▁ ▁A ▁sub der mal ▁impl ant ▁typically ▁contains ▁a ▁unique ▁ID ▁number ▁that ▁can ▁be ▁linked ▁to ▁information ▁contained ▁in ▁an ▁external ▁database , ▁such ▁as ▁personal ▁identification , ▁medical ▁history , ▁medic ations , ▁all erg ies , ▁and ▁contact ▁information . ▁ ▁Several ▁types ▁of ▁micro chi ps ▁have ▁been ▁developed ▁in ▁order ▁to ▁control ▁and ▁monitor ▁certain ▁types ▁of ▁people , ▁such ▁as ▁crim inals , ▁political ▁figures ▁and ▁sp ies , ▁a ▁" k iller " ▁tracking ▁chip ▁pat ent ▁was ▁file d ▁at ▁the ▁German ▁Pat ent ▁and ▁Tra dem ark ▁Office ▁( DP MA ) ▁around ▁May ▁ 2 0 0 9 . ▁ ▁Ver ich ip ▁is ▁an ▁R F ID ▁device ▁produced ▁by ▁a ▁company ▁called ▁App lied ▁Digital ▁Sol utions ▁( AD S ). ▁Ver ich ip ▁is ▁slightly ▁larger ▁than ▁a ▁gra in ▁of ▁rice , ▁and ▁is ▁inject ed ▁under ▁the ▁skin . ▁The ▁injection ▁reported ly ▁feels ▁similar ▁to ▁receiving ▁a ▁shot . ▁The ▁chip ▁is ▁enc ased ▁in ▁glass , ▁and ▁stores ▁a ▁" Ver i Ch ip ▁Sub