Ifwedistinguishprivacyfromanonymity,werealizethatanonymityontheInternethasspawnedanewpoliticaldevelopment.Ifprivacyistherighttodeterminewhatonedecidestokeeptoherselfandwhattosharepublicly,anonymityconcernstherighttoactwithoutbeingidentified.ThesecondconcernsthevelocityofactingthroughtheInternet.Forbetterorforworse,itisalmostpossibletoperformanactontheInternetfasterthanonecanthink.ThethirdconcernstheextensityofactingthroughtheInternet.ThenumberofaddresseesanddestinationsthatarepossibleforactingthroughtheInternetisstaggering.So,too,aretheboundaries,borders,andjurisdictionsthatanactcantraverse.Thefourthconcernstraceability.IfitisperformedontheInternet,anactcanbetracedinwaysthatarepracticallyimpossibleoutsidetheInternet.Takentogether,anonymity,velocity,extensity,andtraceabilityarequestionsthatareresignifiedbybodiesactingthroughtheInternet