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Localization, in cellular communication, is the technique of pinpointing the exact region or geographic position of a user. Localization is done by cellular servers by collecting the unit (or cellular) data of a SIM through signal towers and then correcting the precise location by various algorithms whereby error is removed by probability.
Localization in mobile communication is a very important process, especially for location-based services. Localization has been a top concern of various tech analysts who think that the privacy of a user is at risk when localization is performed, arguing that the process requires additional information.
Localization in Web services is usually done by third parties, where potentially important information is in unreliable hands. Localization involves identifying a user and tracking its geographical location, ostensibly in order to provide a better user experience. Nearly all cellular or Web-based services use localization to provide service to their users.