Web 2.0
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007

1. Definition
web 2.0 in quotes
A buzzword that collects multiple changes in the usage and
understanding of the internet, made famous by Tom
O’Reilly (wikipedia.com)
“Web 1.0 was about commerce. Web 2.0 is people”
Ross Mayfield
“Web 2.0 is a state of mind. It’s a zen thing. “ Andy Budd
“an emerging network-centric platform to support
distributed, collaborative and cumulative creation by its
users” John Hagel
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007

Definition & goals
Supports social interaction
Encourages user participation
Enhanced user experience
Open data
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007

Ways towards these goals
RIA – Rich Internet Applications
New software like Ajax and flash make
new online applications possible
google docs, video streaming
SOA – Service orientated architectures
Feeds, RSS, mashups
Provide informations without technical
frontiers
Social Web – interaction with the user
tagging, podcast, Wiki, blogging,
Feedback
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007 Source: (2)

Presentation by Sebastian Olényi for English, ESBS, 12/11/2007

2. Web 2.0 applications
A zen thing?
AltaVista vs. Google
Hotmail vs. Yahoo Mail
Ofoto vs. Flickr
Mp3.com vs. iTunes
Geocities vs. Blogger
MapQuest vs. Google Maps
Encarta vs. Wikipedia
Netscape vs. Firefox
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007 Source: (5)

Presentation by Sebastian Olényi for English, ESBS, 12/11/2007

Features of web 2.0 applications
Infoware, not software, service not
product
Open data exchange – make it easy to use
data outside the confines of the
application, to re-use, to re-mix, across
devices
User-created and user-owned data
(creative commons)
Collective intelligence (PageRank,
folksonomies, popularity)
user contribution (reviews, comments),
community and sense of ownership
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007

3. Critiscism of web 2.0
“None of us are as dumb as all of
us.” unknown –> is there a real
wisdom of crowds - wikipedia?
Web 2.0 is just a marketing label for
techniques existing since many years
Second bubble (The Economist)
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007

4. Actual developments
Facebook value stated $15 billion (1.6%
sold to microsoft for $240 million)
OpenSocial initiative for standards: google
unites xing, myspace, …
Online advertisement market believed to
double in the next three years (spiegel.de)
Five of ten most popular sites in English
are Web 2.0 (alexa.com)
Newspapers online – only free content
works
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007

5. Web x.x
The future
The web is changing from a
document delivery system to an
application platform
Internet affects: Ethics, copyright,
identity, aesthetics, privacy,
cooperation, partnership,
governance, …
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007

Sources
(1) Wikipedia.com, (2) Andy Gutman
and (3) Michael Wesh on
youtube.com, (4) telepolis.de,
scill.de, (5) Tim O’Reilly and a lot
more which are not quoted
Presentation by Sebastian Olényi for English, ESBS, 12/11/2007