Geofence

To make the location data more useful to its customers, uLocate has developed some enhancements. For instance, users can set up "geofences" around specific locations; when a phone enters or leaves that area, an alert is triggered. This could be used to let parents know, by e-mail or SMS, when a child reaches school.

A company like PetsMobility produces the "PetsCell," a "revolutionary waterproof A-GPS CDMA cell phone for your Pet" (as the company puts it). PetsMobility declares that / there's no hiding with the PetsCell™. […] Establish a remote programmable geofence around a yard or campus, and use handy notification features that alert your cell phone when a breach occurs.

A geofence could be a mile or more around a store or it could be fifty feet from the front door, whatever the business decides.

In the event that the secured lot and locking systems emplaced fail to keep a load from being stolen, by emplacing a geofence (or electronic boundary) around the stationary load, the user or a control center can be notified immediately when the load begins to move and crosses the electronic boundary, which allows for an immediate response protocol, which can enhance the chances for recovery exponentially.

In this adventure you have built the hardware and software for a fully functional passenger lift, just like the lifts inside real buildings. By doing this, you have used many of the skills you learnt by working through all of the adventures in this book, including sensing the players' position, geo-fencing the lift shaft, moving the player, building blocks automatically, sensing when a block has been hit, interfacing with electronic circuits, using Python lists, developing and testing a program one step at a time, and many more amazing things!

The practice, called fingerprinting, is prohibited by Apple. To prevent the company from discovering the practice, Uber geofenced Apple headquarters in Cupertino, changing its code so that it would be hidden from Apple Employees.

In this case, you could use the GPS to "geo-fence" the area, and implement access control measures that track where devices are located within the facility, alerting you when mobile devices enter unapproved areas.

Two of them said this was because Mr. Musk had “geofenced” the service so that it was available only in certain areas.