"Web 1.0” has “static” web pages such as
HTML static web pages .
Web 1.0 sites are not interactive
Web 1.0 applications are proprietary
Eg:- Britannica Encyclopaedia
“Web 2.0”has “Dynamic” pages
“ Web 2.0” site gives its users the free choice
“Web 2.0” application is an open source
Eg:- Wikipedia, SNS, blogs, video sharing
Designing a SNS
Client side technology
Server side technology
Free of cost service.
Simple set up of profiles.
Easy customization of profiles.
Maintenance and updation is flexible.
Conveys information about the business by
blogs and bulletins.
Allows for customer feedback.
Lack of anonymity.
Scams and harassment like trolling,
cyberstalking and cyber bullying.
Addictive and a waste of time without a
“Real time” and “location based”.
Real time allows users to contribute content,
which is then broadcasted as it is being
uploaded - the concept is similar to live
Twitter set the trend and Facebook followed
Twitter focuses on words while Clixtr focuses
on photo group sharing.
The location based service allows users to
"check-in" to places that they are frequenting
at that moment, based on GPS system.
Clixtr (iPhone) , Foursquare and Yelp.
Investigations : Criminal and legal
investigations, probations, school
administrations. Eg. Facebook, MySpace.
Government: To get public opinion and keep
the public updated. Eg. Centre for Disease
Control (Whyville) for vaccinations, NOAA
(Second Life), NASA (Twitter, Flickr) to aid
Review of U.S. Human Space Flight Plans
Business: For customer relationship
management, brand networking and
advertising. Important for intrepreneurs and
small businesses. Eg. LinkedIn (40 millions
users) and Hub Culture (London).
Dating: Online dating services charge a fee
while SNS are free. Eg. MySpace and
Education: Contain educational blogs,
eportfolios, ad hoc communities, chat rooms
and discussion threads that connect teachers
and students. Eg. Ning (teachers), Learn
Central, Teach Street.
Medical: Knowledge sharing and popularising
individuals and insitutions. Important for
pharma companies (32% of marketing)
Health Care: Eg. PatientsLikeMe (life altering
diseases, SoberCircle (Addicts), SparkPeople
(Weight loss), Daily Strenth.
Search Engines: Explicit (based on explicitly
stated social relationships Eg. XFN, XHTML)
and Implicit (based on common interest Eg.
Free of charge: Model based on large
membership count and charging would be
Revenue: online advertising (MySpace,
Facebook) and few charge for subscriptions.
Autonomous business model: Members serve
as both suppliers and consumers of content.
Client-side/web browser technologies are
and download new data from the web server
without undergoing a full page reload.
Data requests going to server are separated
from data coming back to page
(asynchronously) thus increasing
performance of the site.
Data fetched by an Ajax request is typically
Flex makes it easier for programmers to use
large data grids, charts, and other heavy user
Applications programmed in Flex, are
compiled and displayed as Flash within the
browser. Flash plays audio and video files
which cannot be done through HTML.
Server Side Technology
To share its data with other sites, a web site
must be able to generate output in machine-
readable formats such as XML, RSS, and
New Languages such as PHP, Ruby,
ColdFusion, Perl, Python, JSP and ASP output
data using information from files and
Search: Finding information through keyword
Links: Connects information together into a
meaningful information ecosystem using the
model of the Web.
Authoring: The ability to create and update
content leads to collaborative work.
Tags: Usually one-word descriptions to
Extensions: Software that makes the Web an
application platform as well as a document
server. Eg. Adobe Reader, Adobe Flash
player, Windows Media etc.
Signals : The use of syndication technology
such as RSS to notify users of content
(Web 3.0 Semantic Web): TV-quality open
video, 3D simulations, augmented reality,
human-constructed semantic standards, and
pervasive broadband, wireless, and sensors.
Object Oriented Language
Allows a computer to access the computing
power of an other site.
Don’t buy and install but subscribe and access
software on the net.
Extension : .aspx eg. Orkut
XML (Xtensible Markup Language) :a meta-
language which can be used to define other
HTML : HTTP :: XML : SOAP (Simple Object
Windows XP : Remote assistance (XML-based
Contrast to websites where users (consumer)
are limited to the passive viewing of content.
Egs. SNS, wikis, blogs, video sharing.
Web 1.0 (Britannica Encyclopaedia) and Web