datadevices(“WDD”)willbeshippedtocustomersin2014.Manyofthesecustomers
willbringthemintotheworkplace,whichwillchallengeemployerstoadaptemployment,
intranetsecurityandITpoliciestothesenewvisitors .
55
TheFederalTradeCommissionhasbecomethedefactoregulatorofprivacyanddata
securitythroughitsbroadauthoritytoregulate“unfairordeceptiveactsorpracticesinor
affectingcommerce”underSection5oftheFederalTradeCommissionAct.Inthisrole,
thecommissionhasalreadybroughtenforcementactionsunderSection5against
companiesengagedininformationprivacy,datasecurity,behavioraltrackingandother
datarelatedcommercialactivitieswhenthosecompaniesfailedtoadequatelydisclose
datacollectionpractices,abidebypromisesmadeintheirprivacypolicies,orprovidea
“fair”levelofsecurityforconsumers.
Analysis:Miningdataforvaluablecontent
Interpretingdatafromwearablesensorsischallenging.Asdiscussed,thedatawillbe
heterogeneous,comingfromavarietyofsensortypeswithdifferentmodalities.Asecond
challengeisthenonuniformnatureofthedata.Itmayarrivesporadically,withtemporal
gaps,andexcessnoise.Thisincreasestheanalysiscomplexityandcanleadtofalse
confidenceinresults.Thereisasignificantamountofeffortandresearchcurrently
directedtowardsunderstandinghowtointerpretthetypeofmultiparameter,longitudinal
dataproducedbyheathmonitorsandwearablesystems .However,thechallenge
56
remainstoautomaticallylabelingavectoroffeaturesvaluesindicativeofhealthofan
individualamongstthepopulationatlarge.
ConnectivityandPortability
Asdiscussedwearablesensorshavethecapabilityofgeneratinglargedatasets.Asan
exampleconsiderthefollowingsetofwearablesensorsandinertialsensortotriaxial
accelerometry,gyroscopyandmagnetometryat100Hz,andbarometricpressureat2
Hz,andassumingtwobytespersamplepersignal,thiswillgenerateapproximately156
MBofdataperday .Thenthereisbatterypowerwhichisafactorlimitingthevolumeof
57
data.Thus,wehaveatradeoffbetweentransmissionandpreservingbatterylife,one
solutionistopreprocessdataonthesensortoextractonlysalientinformationto
transmit,butthatdoesnecessarilyimplythatsomeinformationcouldbelost.An
55
Cain,J.,2014,WearableDevicesintheWorkplaceChallengeDataSecurityandPrivacy.
https://www.mintz.com/newsletter/2014/Advisories/42000814NATPRIVELB/index.html
56
KohlmannM,HauxR,MarschollekM,WolfKH,GietzeltM,SongB.Highintensity,multimodality
andincoherence:grandchallengesintheanalysisofdataforhealthenablingtechnologies.Stud
HealthTechnolInform2013;192:967.
57
Redmond,S.J..,etal.“WhatDoesBigDataMeanforWearableSensorSystems?”Contributionof
theIMIAWearableSensorsinHealthcareWG.IMIAYearbookofMedicalInformatics.2014