Theproblemofrobocallshasgottensobadthatmanypeoplenowrefusetopickupcallsfromnumberstheydon'tknow.Bynextyear，halfofthecallswereceivewillbescams（欺诈）.Wearefinallywakinguptotheseverityoftheproblembysupportinganddevelopingagroupoftools，appsandapproachesintendedtopreventscammersfromgettingthrough.Unfortunately，it'stoolittle，toolate.Bythetimethese“solutions"（解决方案）becomewidelyavailable，scammerswillhavemovedontocleverermeans.Inthenearfuture，it'snotjustgoingtobethenumberyouseeonyourscreenthatwillbeindoubt.Soonyouwillalsoquestionwhetherthevoiceyou'rehearingisactuallyreal.That'sbecausethereareanumberofpowerfulvoicemanipulation(处理)andautomationtechnologiesthatareabouttobecomewidelyavailableforanyonetouse.Atthisyear'sI/OConference,acompanyshowedanewvoicetechnologyabletoproducesuchaconvincinghuman–soundingvoicethatitwasabletospeaktoareceptionistandbookareservationwithoutdetection.Thesedevelopmentsarelikelytomakeourcurrentproblemswithrobocallsmuchworse.ThereasonthatrobocallsareaheadachehaslesstodowithamountthanprecisionAdecadeofdatabreaches（数据侵入）ofpersonalinformationhasledtoasituationwherescammerscaneasilylearnyourmother'sname，andfarmore.Armedwiththisknowledge.they'reabletocarryoutindividuallytargetedcampaignstocheatpeople.Thismeans.forexample，thatascammercouldcallyoufromwhatlookstobeafamiliarnumberandtalktoyouusingavoicethatsoundsexactlylikeyourbankteller's，rickingyouinto"confirming"youraddress，mother'sname，andcardnumber.Scammersfollowmoney，socompanieswillbetheworsthit.Alotofbusinessisstilldoneoverthephone，andmuchofitisbasedontrustandexistingrelationships.Voicemanipulationtechnologiesmayweakenthatgradually.Weneedtodealwiththeinsecurenatureofourtelecomnetworks.Phonecarriersandconsumersneedtoworktogethertofindwaysofdeterminingandcommunicatingwhatisreal.Thatmightmeaneitherdevelopingauniformwaytomarkvideosandimages,showingwhenandwhotheyweremadeby.orabandoningphonecallsaltogetherandmovingtowardsdata-basedcommunications—usingappslikeFaceTimeorWhatsApp,whichcanbetiedtoyouridentity.Credibilityishardtoearnbuteasytolose,andtheproblemisonlygoingtoharderfromhereonout.1.Takingadvantageofthenewtechnologies，scammercan______.