http://www.lockergnome.com/it/2011/12/19/what-is-user-experience-anyway/
The concept of "user experience" seems pretty self-descriptive, but it does bring up the idea of perspective. A software or UI developer may make something that serves a practical, personal need, but for it to be useful to anyone else, he or she needs to be mindful of how well it will be perceived — and used — by others.
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