- 2 0 0 1 - s , ▁based ▁on ▁a ▁view ▁that ▁mobile ▁media ▁was ▁to ▁change ▁the ▁way ▁advert is ements ▁were ▁made , ▁and ▁that ▁mobile ▁devices ▁can ▁form ▁a ▁new ▁media ▁sector . ▁Despite ▁this , ▁reven ues ▁are ▁still ▁a ▁small ▁fraction ▁of ▁the ▁advert ising ▁industry ▁as ▁a ▁whole ▁but ▁are ▁most ▁certainly ▁on ▁the ▁rise . ▁Inform a ▁reported ▁that ▁mobile ▁advert ising ▁in ▁ 2 0 0 7 ▁was ▁worth ▁$ 2 . 2 ▁billion , ▁which ▁is ▁less ▁than ▁ 0 . 5 % ▁of ▁the ▁approximately ▁$ 4 5 0 ▁billion ▁global ▁advert ising ▁industry . ▁ ▁Types ▁of ▁mobile ▁advert ising ▁are ▁expected ▁to ▁change ▁rapidly ▁or ▁immediately ▁as ▁the ▁case ▁may ▁be . ▁In ▁other ▁words , ▁mobile ▁technology ▁will ▁come ▁up ▁with ▁a ▁strong ▁push ▁for ▁ident ifying ▁newer ▁and ▁un he ard - of ▁mobile ▁multimedia , ▁with ▁the ▁result ▁that ▁subsequent ▁media ▁migration ▁will ▁greatly ▁stim ulate ▁a ▁consumer ▁behavior al ▁shift ▁and ▁establish ▁a ▁parad ig m ▁shift ▁in ▁mobile ▁advert ising . ▁A ▁major ▁media ▁migration ▁is ▁on , ▁as ▁desktop ▁Internet ▁evol ves ▁into ▁mobile ▁Internet . ▁One ▁typical ▁case ▁in ▁point ▁is ▁N iel sen ’ s ▁buy out ▁of ▁Tele phia . ▁ ▁The ▁rapid ▁change ▁in ▁the ▁technology ▁used ▁by ▁mobile ▁advert is ers ▁can ▁also ▁have ▁ad verse ▁effect ▁to ▁the ▁number ▁of ▁consum ers ▁being ▁reached ▁by ▁the ▁mobile ▁advert is ements , ▁Tele phia . ▁due ▁to ▁technical ▁limitations