Web 2.0

Web 2.0 TechnologyWeb 2.0 Technology

Submitted By Submitted By

Sriram DashSriram Dash

Trident academyTrident academy

Of technology, BbsrOf technology, Bbsr

Apr 10, 2023 SALT 2007 3

A Concise History of Web 2.0A Concise History of Web 2.0

Apr 10, 2023 e-Learning 2.0 4

So What is Web 2.0?So What is Web 2.0?

Set of principles and practicesSet of principles and practices Doesn’t have a hard boundary but a Doesn’t have a hard boundary but a

“gravitational core”“gravitational core” A change of orientation fromA change of orientation from

– Web sites toward web servicesWeb sites toward web services– The individual toward the communityThe individual toward the community– Isolated content to social contentIsolated content to social content

A “Platform”A “Platform”

Apr 10, 2023 e-Learning 2.0 5

Web EvolutionWeb Evolution Web 1.0Web 1.0

Double ClickDouble Click

OfotoOfoto

AkamaiAkamai

mp3.commp3.com

Britannica OnlineBritannica Online

personal websites personal websites

EviteEvite

domain name speculationdomain name speculation

page viewspage views

screen scrapingscreen scraping

PublishingPublishing

content management systemscontent management systems

directories (taxonomy)directories (taxonomy)

stickinessstickiness

Web 2.0Web 2.0- > - > Google Google AdSenseAdSense

- > - > FlickrFlickr

- > - > BitTorrentBitTorrent

- > - > NapsterNapster

- > - > WikipediaWikipedia

- > - > BloggingBlogging

- > - > upcoming.orgupcoming.org and and EVDBEVDB

- > search engine optimization- > search engine optimization

- > cost per click- > cost per click

- > web services- > web services

- > Participation- > Participation

- > Wikis- > Wikis

- > - > taggingtagging ("folksonomy") ("folksonomy")

- > - > syndicationsyndication

Apr 10, 2023 e-Learning 2.0 6

The Web as a PlatformThe Web as a Platform

Apr 10, 2023 e-Learning 2.0 7

Architecture of ParticipationArchitecture of Participation

Users Add Value!Users Add Value!

Example: The “data base”Example: The “data base”

1.1. Yahoo! paid people to build it.Yahoo! paid people to build it.

2.2. Have volunteers build it (e.g. Open Directory Project)Have volunteers build it (e.g. Open Directory Project)

3.3. Napster had users build it.Napster had users build it.

Key lesson – build value as a side-effect of ordinary use of Key lesson – build value as a side-effect of ordinary use of the application.the application.

Apr 10, 2023 e-Learning 2.0 8

Web 2.0 Design PatternsWeb 2.0 Design Patterns

In his book, In his book, A Pattern LanguageA Pattern Language,,

Christopher Alexander prescribes a format for the Christopher Alexander prescribes a format for the concise description of the solution to architectural concise description of the solution to architectural problems. He writes: "Each pattern describes a problems. He writes: "Each pattern describes a problem that occurs over and over again in our problem that occurs over and over again in our environment, and then describes the core of the environment, and then describes the core of the solution to that problem, in such a way that you can solution to that problem, in such a way that you can use this solution a million times over, without ever use this solution a million times over, without ever doing it the same way twice."doing it the same way twice."

Apr 10, 2023 e-Learning 2.0 9

Web 2.0 Design Patterns 2Web 2.0 Design Patterns 2

The Long TailThe Long Tail Data is the Next Intel InsideData is the Next Intel Inside Users Add ValueUsers Add Value Network Effects by DefaultNetwork Effects by Default Some Rights ReservedSome Rights Reserved Perpetual BetaPerpetual Beta Cooperate, Don’t ControlCooperate, Don’t Control Software Above the Level of a Single DeviceSoftware Above the Level of a Single Device

Apr 10, 2023 e-Learning 2.0 10

Some Obvious Effects Some Obvious Effects on e-Learningon e-Learning

LMS vendors scurrying to build-in community oriented / LMS vendors scurrying to build-in community oriented / social networking / collaboration functions into productssocial networking / collaboration functions into products

Requires increased professional and instructional support Requires increased professional and instructional support for educator adoption and deploymentfor educator adoption and deployment– Increased technology gulf between students and educators.Increased technology gulf between students and educators.

– Increased pedagogical gap between what “is” done vs. what “could” be Increased pedagogical gap between what “is” done vs. what “could” be donedone

– Builds on “student-centered” / constructionist theory particularly in the Builds on “student-centered” / constructionist theory particularly in the areas of interactivity, collaboration and engagement.areas of interactivity, collaboration and engagement.

Apr 10, 2023 e-Learning 2.0 11

Some Obvious Effects Some Obvious Effects on e-Learningon e-Learning

Embraced by the “early adopters” as expected but adoption Embraced by the “early adopters” as expected but adoption by the “mid-lers” may be laggingby the “mid-lers” may be lagging

Best practices / effective use unknown or immatureBest practices / effective use unknown or immature Early research shows increased student satisfaction due to Early research shows increased student satisfaction due to

increased technology alignmentincreased technology alignment Unimaginable resources – e.g. Unimaginable resources – e.g. Archives.orgArchives.org

Apr 10, 2023 e-Learning 2.0 12

Another PerspectiveAnother PerspectiveGartner’s Higher Education Hype Cycle Gartner’s Higher Education Hype Cycle

Apr 10, 2023 e-Learning 2.0 13

Individual IT Environment - Projects Enterprise IT Environment -Products

Some Not-So-Obvious Effects on Some Not-So-Obvious Effects on e-Learninge-Learning

LMS vendors are missing opportunities to integrate to third LMS vendors are missing opportunities to integrate to third party web services which might increase speed to market party web services which might increase speed to market and improve product agility. e.g. Google maps.and improve product agility. e.g. Google maps.

Trend longevity? What about tomorrow’s hot web-service? Trend longevity? What about tomorrow’s hot web-service? Make or buy (integrate / mashup) decisions. Make or buy (integrate / mashup) decisions.

Is all content to all devices all the time and anywhere really Is all content to all devices all the time and anywhere really a valid goal? Reality check!a valid goal? Reality check!

Apr 10, 2023 e-Learning 2.0 14

ThanksThanks

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