Yet, although the rise of big data has extended the availability of data sets, the
completenesssuggestedby“n=all”isanillusion,accordingtoHildebrandt(2013).Oneof
theimportantreasonswhy‘n’cannevertrulyequal‘all’isbecause,asHildebrandtputs
theproblem:“thefluxoflifecanbetranslatedintomachinereadabledatainanumberof
ways and whichever way is chosen has a major impact on the outcome of data mining
operations”(2013:6;alsoKitchin,2014).Inthissenseitisinsufficienttomakeclaimsabout
theinfiniteavailabilityofdatawithoutcarefulattentiontohowitisanalysed,andtowhat
canbesaidaboutthedataonthebasisofthatanalysis.AsDanahBoydandKateCrawford
point out in this respect, there are many reasons why “Twitter does not represent ‘all
people’” (2012: 669), and so analyses of vast quantities of Twitter data cannot provide
insightsthatcanbemeaningfullysaidtorefertothepopulationasawhole.
In this book, we are concerned with the new calculative devices that have begun to
shape, transform and govern all aspects of contemporary life algorithmically. As Michel
CallonandFabianMuniesa(2003:190)haveproposed,
Calculatingdoesnotnecessarilymeanperformingmathematicalorevennumericaloperations…Calculationstartsby
establishingdistinctions between thingsor statesof the world,and byimagining and estimatingcourses ofaction
associatedwiththingsorwiththosestatesaswellastheirconsequences.
Though the work of contemporary algorithms does involve the performance of
mathematical functions, at least at the level of the machinic code (Dodge and Kitchen,
2011;Berry,2011),italsoactivelyimaginesandestimatescoursesofactionassociatedwith
things or states of the world. In this sense, and following others who have understood
marketcalculativedevicesasthingsthatdotheworkofmakingthemarketitself(Callon
andMuniesa,2003;MacKenzie,2006),forusalgorithmiccalculativedevicesarere-making
ourworldinimportantways.Indeed,asDavidBerry(2014:2)hasargued,“weareentering
a post-digital world in which the digital has become completely bound up with and
constitutiveofeverydaylifeandtheso-calleddigitaleconomy”.Whilethechaptersinthis
volumeexploretheworkofalgorithmiccalculativedevicesacrossmultipledomains,here
wewishtohighlightfouraspectsofalgorithmiclifethatsurfaceacrossthesepluralspaces.
First,calculativedevicesintheageofbigdataareengagedinthefilteringofwhatcanbe
seen, so that they create novel ways of perceiving the world and new visibilities and
invisibilities.InLauraPoitras’sAcademyawardwinningdocumentaryfilm‘Citizenfour’,
for example, Edward Snowden refers to the “ingestion by default” of “bulk”
communications data by the US National Security Agency (NSA). The vocabulary of
ingestioniscentraltodataminingpractices,wheretheprogrammeabsorbsthatwhichis
considered valuable, while filtering out that which is not of interest.
3
The idea of data
ingestion suggests a qualitatively different process of “bringing something to attention”
from the traditional forms of data collection one might associate with social statistics
(Crary, 2013).From theLatin“in-generere”,tocarry into,to ingestsuggestsa processof
drawing in quantities of matter into an engine or body, such that the contents can be
filtered,someofthemabsorbedandothersexpelledordiscarded.Thecalculativedevices