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A beacon is an intentionally conspicuous device designed to attract attention to a specific location. A common example is the lighthouse, ...
Web beacons embedded in emails have greater privacy implications than beacons embedded in web pages. Through the use of an embedded beacon, the sender of an email – or even a third party – can record the same sort of information as an advertiser on a website, namely the time that the email was read, the IP address of the computer that was used to read the email (or the IP address of the ...
One use of beacons is as a "key finder" where a beacon is attached to, for example, a keyring and a smartphone app can be used to track the last time the device came in range. Another similar use is to track pets, objects (e.g. baggage) or people. The precision and range of BLE doesn't match GPS, but beacons are significantly less expensive.
"City upon a hill" is a phrase derived from the teaching of salt and light in Jesus's Sermon on the Mount. [n 1] Originally applied to the city of Boston by early 17th century Puritans, it came to adopt broader use in political rhetoric in United States politics, that of a declaration of American exceptionalism, and referring to America acting as a "beacon of hope" for the world.
The use of emergency beacons is restricted by law in many jurisdictions only for responding to an emergency, initiating a traffic stop, bona fide training exercises, or when a specific hazard exists in the road. Most private security agencies have special permits that allow them to use beacons in specific areas.
Web Beacons. Web beacons are small pieces of code placed on Web pages, videos, and in emails that can communicate information about your browser and device to a server. Beacons can be used, among other things, to count the users who visit a Web page or read an email, or to deliver a cookie to the browser of a user viewing a Web page or email.
A marker beacon is a particular type of VHF radio beacon used in aviation, usually in conjunction with an instrument landing system (ILS), to give pilots a means to determine position along an established route to a destination such as a runway.
In December 2013, Apple announced iBeacon: the first beacon protocol in the market. iBeacon works with Apple's iOS and Google's Android. The beacon using the iBeacon protocol transmits a so-called UUID. The UUID is a string of 24 numbers, which communicate with an installed Mobile App. [2] Advantages: Widely supported; Simple and easy to implement;