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Subject:Re: definitions please: ubiquitous vs pervasive From:"Karen E. Black" <kblack_text -at- hotmail -dot- com> To:"TECHWR-L" <techwr-l -at- lists -dot- raycomm -dot- com> Date:Wed, 22 May 2002 17:15:58 -0400
I did a little search:
Mark Weiser: "Ubiquitous computing names the third wave in computing, just
now beginning. First were mainframes, each shared by lots of people. Now we
are in the personal computing era, person and machine staring uneasily at
each other across the desktop. Next comes ubiquitous computing, or the age
of calm technology, when technology recedes into the background of our
lives. Alan Kay of Apple calls this "Third Paradigm" computing."
"As described by Mark Weiser as early as 1988, UbiComp is characterized by
two main attributes:
* ubiquity--where interactions are channeled through multiple interfaces
rather than a single workstation; and
* transparency--where the technology becomes so embedded in everyday life
that it essentially becomes invisible to the users."
"Pervasive computing enables people to accomplish an increasing number of
personal and professional transactions using a new class of intelligent and
portable devices. It gives people convenient access to relevant information
stored on powerful networks, allowing them to easily take action anywhere,
anytime."
"'Pervasive Computing' is:
Shorthand for the strongly emerging trend toward:
Numerous, casually accessible, often invisible computing devices
Frequently mobile or imbedded in the environment
Connected to an increasingly ubiquitous network structure
The aim is for easier computing, more available everywhere it's needed."
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