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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. Geofencing approach is based on the observation that users move from one place to another and then stay at that place for a while.
Principles of geolocation using GPS. Geopositioning is the process of determining or estimating the geographic position of an object or a person. [1] Geopositioning yields a set of geographic coordinates (such as latitude and longitude) in a given map datum.
In geomarketing and internet marketing, geotargeting is the method of delivering different content to visitors based on their geolocation. This includes country, region/state, city, metro code/zip code, organization, IP address, ISP, or other criteria. [1]
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]
The W3C Geolocation API is also supported by Opera Mobile 10.1 – available for Android and Symbian devices (S60 generations 3 & 5) since 24 November 2010. [9] Browsers initially allowed access to the API in insecure contexts, but in the context of Secure Contexts, [ 10 ] browsers, e.g., Chrome, [ 11 ] now generally require a secure connection.
Differing from hashtag construction, meetag includes the geolocation information after an underscore. A meetag is therefore a word or an unspaced phrase prefixed with an underscore ("_"). Words in messages on microblogging and social networking services may be tagged by putting "_" before them, either as they appear in a sentence, (e.g.
Wireless data transfer allows real-time mapping of media. Transferring images from cell phones to social networking sites is gaining popularity. Applications for real-time mapping include travel, real estate, geosocial networking, people tracking, security, and geofencing. Geotagging allows presenting the geotagged media via a map.
In a geo-blocking scheme, the user's location is determined using Internet geolocation techniques, such as checking the user's IP address against a blacklist or whitelist, GPS queries in the case of a mobile device, accounts, and measuring the end-to-end delay of a network connection to estimate the physical location of the user.