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Written by Ronald Lenz
This is a really long article but it gave me a good technological explanation of the background of locative media. The technological background of locative media can be referred to as “location-aware computing.” Location-aware computing is a field where the location of people and things can be used by machines to derive contextual information with which to enhance and assist users.
The article goes on to say that there are two ways to acquire context using information technology: requiring the user to specify it or by monitoring users and computer-based activity. For example, people can provide their location in instant messages (active user) or it can be detected by sensors (beacons) (passive users).