meet their own needs” (Zimmermann, 2003). Thus,
sustainable personality, and, consequently, e-business
application user, is ”a person who sees relationships
and inter-relationships between nature, society and
the economy” (Rohweder, 2007). In other words, this
is a person who is able to develop the system of ex-
ternal and internal perspectives, and in turn the sys-
tem of external and internal perspectives becomes a
main condition for the sustainable e-business applica-
tion user to develop.
For instance, the concern of the European Union,
namely, to become ”the most competitive and dy-
namic knowledge-based economy in the world capa-
ble of sustainable economic growth with more and
better jobs and greater social cohesion” (European
Commission, 2004), demonstrates the significance of
developing the system of external and internal per-
spectives for the developmentof humans, institutions,
society and mankind. Thus, the life necessity to de-
velop the system of two perspectives, namely, exter-
nal and internal, determines the research methodol-
ogy of e-business applications in engineering educa-
tion, as highlighted in Figure 1.
However, in real life sustainable e-business appli-
cation user is often realized from one of the perspec-
tives: from the internal perspective accentuating cog-
nition (Vossen, 2009) and from the external perspec-
tive accentuating social interaction and finding a bal-
ance between the external and internal perspectives
(Surikova, 2007).
The methodological foundation of the present re-
search on use of e-business applications of Web 2.0
in engineering education is formed by the System-
Constructivist Theory based on Parson’s system the-
ory where any activity is considered as a system,
Luhmann’s theory which emphasizes communication
as a system, the theory of symbolic interactional-
ism and the theory of subjectivism. The System-
Constructivist Theory introduced by (Luhman, 1988,
pp. 1–14) and (Parson, 1976) emphasizes that human
being’s point of view depends on the subjective as-
pect: everyone has his/her own system of external and
internal perspectives (Figure1) that is a complex open
system (Rudzinska, 2008) and experience plays the
central role in a construction process (Maslo, 2007).
3 E-BUSINESS APPLICATIONS
The paradigm change, namely, the move towards col-
laborative business - from person to people and from
systems to service (Jones, 2008), puts the emphasis
on the use of e-business applications of Web 2.0 tech-
nologies. Typical e-business applications of Web 2.0
techniques and technologies include corporate blogs,
wikis, feeds and podcasts (Vossen, 2009).
Blogs are seen by Vossen (Vossen, 2009) as a
common way to stay in touch with customers, to in-
form about new products and to receive immediate
feedback; they can also be used internally in order
to discuss specific topics among the staff of an enter-
prise, in particular if people are geographically dis-
tributed. Blogs allow a moderated interaction be-
tween participants, be it customers or colleagues, and
a simple and efficient distribution of announcements,
experiences, opinions, reports, or evaluations. How-
ever, bloggers need to keep in mind that blogs are
typically crawled by search engines, so that company
internals written into a blog might reach the outside
world and be presented as search results. Also, a blog
is useless without regular updates, a reasonable num-
ber of readers, continuous moderation, and good con-
tent. It is also a good idea for a company to treat in-
dependent bloggers just like regular journalists, since
they might have a considerable readership.
In order to stay up-to-date with a company blog,
but also with other information an enterprise might
publish, there are essentially two approaches: pull
and push. The active or pull way is to read the in-
formation at my own liberty and pace; in the passive
or push approach, the information will be delivered
to me automatically. Indeed, blog entries and other
sources can be subscribed via feeds that are based on
protocols such as RSS or Atom (Johnson, 2006), and
they can be read usinga feed readersuch as Bloglines,
Google Reader, Newsgator, or NewsAlloy (or simply
in the browser). A podcast is determined by Vossen
(Vossen, 2009) as a particular form of feed consisting
of audio or video material. Wikis allow collabora-
tive work on a common set of documents by many
authors, and have been discovered as a new way of
performing knowledge management in a learning or-
ganization. If staff members can be motivated to par-
ticipate in the development of a wiki, this can be con-
sidered as a good example of making implicit knowl-
edge explicit, thereby attacking the core problem of
knowledge management.
A social network can also act as a means of con-
necting employees of distinct expertise across depart-
ments and company branches and help them build
profiles in an easy way, and it can do so in a much
cheaper and more flexible way than traditional knowl-
edge management systems. Once a profile has been
set up and published within the network, others can
search for people with particular knowledge or exper-
tise and connect to them. If the social network is to be
run outside an enterprise, providers like Ning allow
an easy setup of a self-regulated and self-managed
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