TowardsaNaturalUserInterfaceTalkOutlineGraphicalUserInterfaceUserInterfaceEvolutionGraphicalUserInterfaceGraphicalUserInterfaceNUI–“DoWhatIMean”UINUI:HearWhatYouSayHearWhatYouSayNUI:KnowWhatYouMeanSyntax(rulesofthehuman’slanguage)Nouns,verbs,etc.andhowtheycombine“BookaboutatriptoChicago”vs.“BookatriptoChicago”Normalizelinguisticvariations.SemanticsMeaningofthewordsBookmeansreserveaticket;requiresfrom-city,to-city,etc.Context(additionalhints)Domainknowledge:NotrainfromHawaiitoChicagoStatistics:Bookasanoun>Bookasaverb“BookChicago”PersonalPreferences:Whereyoulive,yourcalendar,howyoupay…Modeloftime,urgency,presenceDialog(resolvingambiguity&determineintent)“Buyabookorbooktravel?”“Whatdatewouldyouliketotravel?”NUI:DoWhatYouWantDoWhatYouWant(bybrokering&combining)NUIWillEnable…ChallengestoNUIChallengestoNUI1.Changetheworld,onedomainatatime2.Don’ttrytosolvealltheproblemsatonce….3.Bereligiousaboutsolution,butbepragmaticabouttechnology4.UseUItohidetechnologyimperfections.ChallengestoNUI5.NUIcomplementsandextendsGUINUIextendsGUI…evenforsmalldevices6.NUIshouldstartwithuser’scomfortzoneChallengestoNUI7.NUIneedsearlyadopterswithrealeconomicmotivationChallengestoNUI8.NUINeedUnifiedAuthoringToolsChallengestoNUI9.NUINeedsStructure.Fortunately,structureishappening!10.NUIneedsinfrastructurebeyondstructureConclusionMicrosoftVision©2001MicrosoftCorporation.Allrightsreserved.