Advertisingisanon-personalformofcommunicationintendedtopersuadeanaudience(viewers,readersorlisteners)topurchaseortakesomeactionuponproducts,ideals,orservices.Itincludesthenameofaproductorserviceandhowthatproductorservicecouldbenefittheconsumer,topersuadeatargetmarkettopurchaseortoconsumethatparticularbrand.Thesebrandsareusuallypaidfororidentifiedthroughsponsorsandviewedviavariousmedia.Advertisingcanalsoservetocommunicateanideatoamassamountofpeopleinanattempttoconvincethemtotakeacertainaction,suchasencouraging'environmentallyfriendly'behaviors,andevenunhealthybehaviorsthroughfoodconsumption,videogameandtelevisionviewingpromotion,anda"lazyman"routinethroughalossofexercise.Modernadvertisingdevelopedwiththeriseofmassproductioninthelate19thandearly20thcenturies.Massmediacanbedefinedasanymediameanttoreachamassamountofpeople.Severaltypesofmassmediaaretelevision,internet,radio,newsprograms,andpublishedpicturesandarticles.[1]

　　Commercialadvertisersoftenseektogenerateincreasedconsumptionoftheirproductsorservicesthroughbranding,whichinvolvestherepetitionofanimageorproductnameinanefforttoassociaterelatedqualitieswiththebrandinthemindsofconsumers.Differenttypesofmediacanbeusedtodeliverthesemessages,includingtraditionalmediasuchasnewspapers,magazines,television,radio,outdoorordirectmail;ornewmediasuchaswebsitesandtextmessages.Advertisingmaybeplacedbyanadvertisingagencyonbehalfofacompanyorotherorganization.

　　Non-commercialadvertisersthatspendmoneytoadvertiseitemsotherthanaconsumerproductorserviceincludepoliticalparties,interestgroups,religiousorganizationsandgovernmentalagencies.Nonprofitorganizationsmayrelyonfreemodesofpersuasion,suchasapublicserviceannouncement.

　　In2007,spendingonadvertisingwasestimatedatmorethan$150billionintheUnitedStates[2]and$385billionworldwide.