Web2.0 : an introduction
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Web 2.0
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web2.0 what it is all about
Transcript of Web2.0 : an introduction
Web 2.0
What is Web 2.0
A Revolution
• Before Web 2.0 we looked towards web as an information warehouse.
• But now Web is a platform of collaboration, a place where users can share, can interact and can build up on the work of their own as well as that of others’
Revolution continues
• Earlier we the users used to be on the receiving end always.
• But now we are empowered, we interact and we share and
• make WEB a BETTER PLACE TO BE.• In shortIt’s Web “For the People By the people
and From the people”
More on Web 2.0
• Web 2.0 also aims to bridge the gap between desktop and web.
• Bringing desktop to web is one more task for web 2.0 developers.
• Examples includes• Online instant messaging sites• Online office suits
Web 2.0 Includes
• Blogs• Mashups• Social networking• Wikis
• And many more
Social Networking
• Do I Seriously need to explain it?
• Examples are • Orkut • Facebook• myspace
Mashups
• With the launch of Web 2.0 come a concept of collaboration.
• Sites started to open up their resource for others to use.
• Mashup is a combination of such open interfaces from different sites.
Wiki
• A site which is user editable• Used to build content in a
collaborative manner.
• BEST EXAMPLE • WIKIPEDIA.com
Blogsphere
• Blog – Web Log• A sort of an online diary
• Service providers• Blogger.com• Wordpress.com• Vox.com
Blogsphere
• Why important• Coz from being a consumer you
become a producer.• The content you write becomes your
reputation, your image on the web.
• “I have seen people getting hefty jobs just coz of their blogs”
Web 1.0 Vs Web 2.0
Static websites.Emails.Forums.Basic search engines.Groups.Newsletters.HTML.JavaScript for validations etc.
Blogs.Wikis.Audio/Video Sharing.Social Software.RSS/XML/Atom feeds.Webcasts/ Podcasts.Open APIs.Mobility.CSS Designs.Visual dynamic effects.AjaxAdvanced JavaScript for effects.
More Examples 2.0
Flickr. http://www.flickr.com
Photo Publishing and Sharing Site
More . . .
Orkut. http://www.orkut.com
Social Networking Site
And More . . .
Meebo. http://www.meebo.com
Web based messenger client
And More . . .
Digg. http://www.digg.com
Social news book marking and sharing site
And More . . .
Delicious. http://del.icio.us
A Social Book Marking Site
And More . . .
Wikipedia. http://www.wikipedia.org
A Wiki Encyclopedia
And More . . .
Linked In. http://www.linkedin.com
A Business Networking Site
And More . . .
YouTube. http://www.youtube.com
A Video Sharing Site
And More . . .
Blogger. http://www.blogger.com
A Popular Blogging Tool
Technology 2.0
AJAX (Asynchronous JavaScript And XML).CSS (Cascading Style Sheets).XHTML.Open Source Developments.Lightweight Apps.Differential Data Transfer.Server side programming.DOM Scripting.RSS/XML/ATOM Feeds.
Ajax ?
Asynchronous JavaScript And XML.Differential Data Transfer.Fast Processing and low bandwidth consumption.Sleek and more handy interface.Open Source technology.Growing and spreading rapidly.Desktop like easy interface.Famous Ajax enabled apps are :
1. Google Maps2. Gmail
Technically Ajax
Fetching Server Side processed data through Client Side JavaScript.XMLHttpRequest (XHR) object.
Ajax Examples
Live. http://www.live.comA9. http://www.a9.comAskX. http://www.askx.comWikimapia. http://www.wikimapia.orgMeebo. http://www.meebo.comGoogle Maps. http://maps.google.com
CSS
Cascading Style Sheets.Used for defining the styling rules of a webpage.
XHTML ?
Stands for eXtensible HyperText Markup LanguageAimed to replace HTMLAlmost identical to HTML 4.01Stricter and cleaner version of HTMLHTML defined as an XML applicationXHTML is a W3C Recommendation
Why Ajax is growing so fast ?
Because, its Open Source like Linux, PHP, MySql, Open Office etc.
So ?
Open Source Technologies are developed and spread like anything.Because, Anyone can develop, improve and redistribute them.These are self motivated and community powered.Every single developer can use his/her creativity and strengths to develop the application/technology.There are no limits and all the freedom.
What are Open Source software licenses ?
Any developer/licensor can draft an agreement that conforms to the OSD, though most licensors use existing agreements like:
• GNU Public License (“GPL”)• Lesser/Library GNU Public License (“LGPL”)• Mozilla Public License• Berkeley Software Distribution license (“BSD”)• Apache Software License• See complete list at www.opensource.org/licenses
Open Source Examples
Linux (operating system kernel – substitutes for proprietary UNIX)Apache Web Server (web server for UNIX systems)MySQL (Structured Query Language – competes with Oracle)Cloudscape, Eclipse (IBM contributions)OpenOffice (open source implementation of Sun’s StarOffice)
Biggest Players in Open Source
IBMHPSUN/ORACLERedHatApache Software FoundationMozilla FoundationRichard M. StallmanLinus Torvalds
Corporate
Non-Profit Organizations
Individuals
Why Companies are moving towards it ?
Cost savingsStabilityNo forced upgradesAccess and broad rights to source codeAccess to skilled community of developersAbility to define and expedite new development
About the authorsome shameless self promotion
Anant Shrivastava a.k.a. Techno Enthusiast A Workaholic, deeply passionate about GNU / LINUX, OPEN SOURCE, and latest trends in internet technology specially web 2.0
Website : http://anantshri.info
Blog : http://blog.anantshri.info
Twitter : @anantshri
Linkedin : http://www.linkedin.com/in/anantshri
For all of my other networking profiles list is here
