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A geofence can be dynamically generated (as in a radius around a point location) or match a predefined set of boundaries (such as school zones or neighborhood boundaries). The use of a geofence is called geofencing , and one example of use involves a location-aware device of a location-based service (LBS) user entering or exiting a geofence.
Geofence warrants were first used in 2016. [4] Google reported that it had received 982 such warrants in 2018, 8,396 in 2019, and 11,554 in 2020. [3] A 2021 transparency report showed that 25% of data requests from law enforcement to Google were geo-fence data requests. [5]
Sensorvault is an internal Google database that contains records of users' historical geo-location data. [1]: 1 [2]It has been used by law enforcement to execute a geo-fence warrant and to search for all devices within the vicinity of a crime, (within a geo-fenced area) [1]: 1 [3]: 1 [2] and after looking at those devices' movements and narrowing those devices down to potential suspects or ...
A reverse search warrant is a type of search warrant used in the United States, in which law enforcement obtains a court order for information from technology companies to identify a group of people who may be suspects in a crime.
Geofencing involves creating a virtual geographic boundary (a geofence), enabling software to trigger a response when a device enters or leaves a particular area. [3] Geopositioning is a pre-requisite for geofencing.
With geofence, while both spellings have been increasing in usage since roughly 2000, "geofence" is quite dominant over "geo-fence". Having said all of that, I believe readers of this article could benefit from having a consistent representation of the word throughout rather than having every other word spelled differently.
Geomessaging is a technology that allows a person or system to send a message based on any media to a device that enters or exits one or more regions. [1] Those regions can be created by using geofences, based on Latitude and Longitude, or adding beacons to the system associating those beacons with named locations.
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