▁of ▁their ▁mobile ▁devices . ▁Because ▁of ▁that , ▁campaign s ▁that ▁aim ▁to ▁achieve ▁wide ▁response ▁or ▁are ▁target ing ▁lower ▁income ▁groups ▁might ▁be ▁better ▁of ▁re lying ▁on ▁older , ▁more ▁w ides p read ▁mobile ▁media ▁advert ising ▁techn ologies , ▁such ▁as ▁S MS ▁or ▁any ▁other ▁mode ▁of ▁communication . ▁ ▁Vir al ▁market ing ▁ ▁As ▁mobile ▁is ▁an ▁interactive ▁mass ▁media ▁similar ▁to ▁the ▁internet , ▁advert is ers ▁are ▁eager ▁to ▁util ize ▁and ▁make ▁use ▁of ▁vir al ▁market ing ▁methods , ▁by ▁which ▁one ▁recip ient ▁of ▁an ▁advert is ement ▁on ▁mobile , ▁will ▁forward ▁that ▁to ▁a ▁friend . ▁This ▁allows ▁users ▁to ▁become ▁part ▁of ▁the ▁advert ising ▁experience . ▁At ▁the ▁bare ▁minimum ▁mobile ▁ad s ▁with ▁vir al ▁ab ilities ▁can ▁become ▁powerful ▁interactive ▁campaign s . ▁At ▁the ▁extreme , ▁they ▁can ▁become ▁eng agement ▁market ing ▁experiences . ▁A ▁key ▁element ▁of ▁mobile ▁market ing ▁campaign s ▁is ▁the ▁most ▁influ ential ▁member ▁of ▁any ▁target ▁audience ▁or ▁community , ▁which ▁is ▁called ▁the ▁alpha ▁user . ▁ ▁Priv acy ▁concern ▁ ▁Adv oc ates ▁have ▁raised ▁the ▁issue ▁of ▁priv acy . ▁ ▁Target ed ▁mobile ▁market ing ▁requires ▁custom ization ▁of ▁ad ▁content ▁to ▁reach ▁interested ▁and ▁relevant ▁customers . ▁To ▁custom ize ▁such ▁behavior al ▁personal ▁data , ▁user ▁profil ing , ▁data ▁min ing ▁and ▁other ▁behavior ▁watch ▁tools ▁are ▁employed , ▁and ▁priv acy ▁advoc ates ▁warn ▁that ▁this ▁may