▁is ▁employed , ▁Facebook ▁automatically ▁changes ▁to ▁lower - case ▁all ▁letters ▁except ▁the ▁first . ▁( Use ▁of ▁periods , ▁e . g . ▁D . L . G ., ▁will ▁result ▁in ▁a ▁message ▁telling ▁users ▁that ▁" Profile ▁names ▁can ' t ▁have ▁too ▁many ▁periods .") ▁Therefore , ▁someone ▁commonly ▁known ▁in ▁real ▁life ▁by ▁a ▁name ▁such ▁as ▁Mary ▁De ▁Leon ▁Gu err ero ▁M af nas ▁would ▁have ▁to ▁resort ▁to ▁using ▁what ▁on ▁Facebook ▁would ▁end ▁up ▁being ▁" M ary ▁D lg ▁M af nas ". ▁The ▁message ▁is ▁not ▁accompanied ▁by ▁an ▁option ▁to ▁challenge / appe al ▁the ▁restriction ▁or ▁to ▁send ▁Facebook ▁documentation ▁that ▁the ▁format ▁is ▁how ▁one ▁normally ▁formats ▁their ▁name ▁in ▁real ▁life . ▁ ▁Vietnam ese ▁In ▁January ▁ 2 0 1 5 , ▁a ▁ 2 3 - year - old ▁Australian ▁bank ▁employee ▁claim ing ▁to ▁be ▁named ▁Ph uc ▁Dat ▁B ich ▁posted ▁a ▁photo ▁of ▁his ▁pass port ▁identification ▁page ▁to ▁Facebook , ▁protest ing ▁that ▁the ▁company ▁had ▁unf air ly ▁shut ▁down ▁his ▁account ▁for ▁being ▁" false ▁and ▁mis leading ". ▁" Is ▁it ▁because ▁I ' m ▁Asian ? ▁Is ▁it ?" ▁he ▁asked . ▁The ▁BBC ▁reported ▁that ▁in ▁Vietnam ese ▁the ▁name ▁is ▁pron ounced ▁similarly ▁to ▁" P ho o ▁Da ▁Bi " ▁( IP A : ▁). ▁After ▁his ▁re inst at ement , ▁B ich ▁posted ▁a ▁thank ▁you ▁note ▁to ▁support ive ▁Facebook ▁fans