Professor Athula Ginige
School of Computing and Mathematics
University of Western Sydney
Australia

I like to acknowledge Prof. Dr. Gottfried
Vossen of University of Münster, Germany for
sharing some of his Web 2 slides which I have
used in this presentation.
WEB 2.0
User Participation
Socialization
Functionality
Data Collections
Net Infrastructure (“Flat World”)
Cloud Computing
WEB 2.0
User Participation
Socialization
Functionality
Data Collections
Net Infrastructure (“Flat World”)
WEB 2.0
Net Infrastructure:
Huge improvements in speed, bandwidth, availability, and
reliability over the past 10 years
Broadband networks worldwide, “flattening” of the world
The large computing center is back (but we
don’t know its location anymore)
Computing is on its way into the cloud
Nick Carr: The Big Switch
Programming:
Transition from HTML to XML/XHTML
Extended client- as well as server-side scripting
Scripting (w/o Ajax)
Scripting (w/ Ajax)
Client
Server
HTML+
Ajax
CSS data engine:
User
interface
Request (URL)
XML
JavaScript http
Request
call
HTTP
Get
Web and / or
XML Server
Put
Response
(XML data)
Application
program
Extension
(e.g., PHP)
Published
resources
HTML
CSS
External
sources
JScript for IE
Asynchronous JavaScript and XML
not mandatory
Local
sources
Doc+
script
•Rich Internet Applications
(RIAs) based on
technologies such as Ajax,
REST, Flex, AIR, Silverlight,
JavaFX, several others
•Applications move from the
desktop to the Web, into the
cloud
•Software as a Service (SaaS)
as the new ASP (application
service provisioning) model
WEB 2.0
Online Diagram Software - Gliffy
Online diagram software. Create and share flowcharts, network
diagrams, floorplans, user interface designs and other drawings online
with the Gliffy diagram ...
www.gliffy.com/
Java-based word processor, spreadsheet, presentation package that offers
MOffice compatibility.
www.thinkfree.com/
Shutterborg is a free online word processor / document editing system. Edit HTML
web pages, MS Word docs and PDF documents.
shutterb.org/
also: Pageflakes, eskobo, Netvibes, Protopage, Microsoft,
Yahoo!, Cleverset etc.

http://www.youtube.com/watch?v=6PNuQHUiV3Q
Applications: Desktop  Web  Cloud



SaaS – Software as a Service
PaaS – Platform as a Service
IaaS – Infrastructure as a Service
Amazon Mechanical Turk

Mechanical Turk offers access to a virtual
community of workers that are available to
help you accomplish your business goals. A
robust set of APIs and command line tools
enable you to programmatically distribute
tasks that require human intelligence to a
widely distributed, on-demand workforce.

aws.amazon.com/mturk/
Applications, storage space,
servers, computing power,
all in the cloud  IaaS
organizer, calendar, planning,
conferencing, db apps,
collaboration, time tracking,
accounting, payroll, project mgnt

Zoho offers a suite of online web applications
geared towards increasing your productivity
and offering easy collaboration. Zoho's online
office tools ...
www.zoho.com/


The only automated sync, back-up,
collaboration and file management service
powerful enough for a business user and easy
enough for a novice. Secure, anywhere access
to your files.
www.syncplicity.com/
similar: Wuala, SugarSync, Mozy, Box.net, Dropbox


Up to now: on-demand customer relationship
management (CRM), marketing, Web analytics as
hosted service
Now: platform to enable developers to create and
provide arbitrary business applications on-demand

No software installation on private PC, no
upgrades, no patches, no service packs, no
maintenance

No license renewal when computer is exchanged

All data resides on the Web

“Pay-as-you-go” business model, i.e., payment
based on usage
Source: Igniter Ltd., Wellington, NZ
top 20%
• Startup companies need small
initial investments only in order to
run their business on a world-wide
scale
• 60+ generation enters the Web
the long tail
Creation of data collections by computers
as well as by humans:
•Tags, registrations, evaluations,
comments, online diaries / blogs,
emails, bookmarks, CVs
WEB 2.0
•Click paths, storage of tracking data,
search engine indexes
Usage of these collections:
•Recommendations, creation of
profiles, online communities,
personalization
•Context-dependent advertising
•Mash-ups combining data from
multiple sources
Housingmaps = Craigslist + Geocoders.us + Google Maps

Mapping mashups

Video and photo mashups

Search and shopping

News mashups

Pipes: a powerful composition tool to
aggregate, manipulate, and mashup content
from around the web.

pipes.yahoo.com/

Microsoft Popfly


Iceberg
http://www.geticeberg.com/
also: Frameworks like Google Web Toolkit

Data Mashup Tools

Scraping Tools

Development Tools
and Suites

DIY Consumer Tools

Services
Social networks
MySpace, Facebook, Friendster, LinkedIn, Xing, …
Personalized search
RollYo, AfterVote, Eurekster, Summize, …
User-Generated Content (UGC) up to advertising
RSS feed and, podcasts
Interaction via blogs and wikis
WEB 2.0

Meeting friends
in social networks

Organizing photos

Watching videos

Creating a 2nd Ego
Feature
Authoring
Information sources
Content creation &
maintenance
Data storage
Online advertising
Traffic creation
Online payment
Revenue
Web 1.0
personal web sites
Britannica Online
Web 2.0
blogging
Wikipedia
via CMS
local disk
banners
domain names
bank account
Top $ for
killer-apps
via Wikis
online disk
Google AdSense
SEO
PayPal
free service,
pay for
community
access
Source: Igniter Ltd., Wellington, NZ
WEB 2.0
User Participation
Socialization
Functionality
Data Collections
Net Infrastructure (“Flat World”)






Is “big brother” watching us?
Is Google allowed to index my gmail entries?
Does Amazon own the reviews I have written?
Is keeping (customer/business) data on the
Web (as in SaaS applications) a good idea?
Who is in control of these SaaS services?
Who is the owner of content that a user has
contributed to a Web site run by a company or
service provider?




How can national and domestic law be
enforced in light of multi-national and
multi-dimensional services?
Who can be held responsible for breaches of
law or copyright, for example with respect
to context published on YouTube?
Is it at all possible in Web 2.0 to protect
ethical and legal values referring to personal
rights, personal data, or to minors?
Is “computing as a commodity” changing the
rules?
Increasing Internet
availability among
consumers
Decreasing
costs of connection
Increasing
bandwidth
Large number of users
New applications
better usability
higher benefits
New
technologies
UGC
RIAs, SaaS, WOA
Socialization

A migration from a “Read-Only Web” to a
“Read/Write Web”

A collection of technologies, social trends, and
business strategies, and characterized by
services, simplicity, DIY mentality, community


With increasing impact on how enterprise
organize their business, and how software
companies build software
This is not a distinctive feature anymore!