What Is Web 2.0?
Web 2.0 is the next evolution of the web that has a new usage paradigm as well as a new technology paradigm. The former is characterized by “architecture of participation” and the latter is characterized by “architecture of partition”.
The “Consumer-centric” View Causes Confusion
There is no doubt that the “web 2.0” phenomenon is ignited by the success of consumer websites like MySpace, YouTube and Flickr. From these consumer website, analysts established “social networking” via the network effect as a key feature of web 2.0. Though it is possible that enterprise oriented social computing applications may emerge to address specific enterprise concerns, it is not clear how social networking can change enterprise IT on a more fundamental level. Analysts further characterized “Architecture of Participation” as another key element of web 2.0, as evident from YouTube and Flickr. Similarly it is unclear whether/how “architecture of participation” would impact enterprise IT mission. Enterprise IT’s mission is simple: to enable and facilitate the interaction and integration of IT systems and people. There is no doubt that web 2.0 applications like blogs and wikis based on “architecture of participation” can be useful to enterprises, but is there anything beyond blogs and wikis?
The key technology behind most consumer web 2.0 websites, Ajax, is not new. The popular “mashup” concept sounds new but in reality is based on what has been built into the browser for many years. The “consumer-centric” perspective limits how we look at the technology aspect of web 2.0 and leads to the conclusion that web 2.0 involves no technology advancement.
Further, “architecture of participation”, “social networking” and “harness the collective intelligence” are all usage patterns. They do not relate to technology. In fact, they can be supported well on web 1.0 technologies; reinforcing the common belief that web 2.0 has no technology foundation but rather a buzzword created by marketers.
The Differences between Web 1.0 and Web 2.0
Tim O’Reilly observed the differences between web 1.0 and web 2.0 from a consumer perspective in his original essay:
Web 1.0
Web 2.0
DoubleClick
-->
Google AdSense
Ofoto
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Flickr
Akamai
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BitTorrent
mp3.com
-->
Napster
Britannica Online
-->
Wikipedia
personal websites
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blogging
evite
-->
upcoming.org and EVDB
domain name speculation
-->
search engine optimization
page views
-->
cost per click
screen scraping
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web services
publishing
-->
participation
content management systems
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wikis
directories (taxonomy)
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tagging ("folksonomy")
stickiness
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syndicationFrom Consumer Web 1.0 to Consumer Web 2.0
From an enterprise perspective, web 2.0 introduces a very different set of changes:
Web 1.0
Web 2.0
Browser
-->
Application Client Container
HTML
-->
Declarative application markup
HTTP(pull, unreliable)
-->
Push, pub/sub, reliable
Application Server
-->
Mashup Server
Appilcation Integration
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Enterprise Mashup/SOA
Press release
-->
Corporate blogs
Packaged software
-->
On demand/Saas
Close source
-->
Open source
Top down (dictatorship)
-->
Bottom up (democracy)
Superbowl Ad/TV
-->
Google AdFrom Enterprise Web 1.0 to Enterprise Web 2.0
The Two Pillars: Consumer Web 2.0 and Enterprise Web 2.0
Web 2.0 has two pillars: consumer web 2.0 and enterprise web 2.0. These two do overlap, in particular, in the area of social computing.
Consumer web 2.0 and enterprise web 2.0 have different characteristics, as shown below:
Consumer Web 1.0
Enterprise Web 2.0
Architecture of Participation
Architecture of Partition
Social networking
On Demand computing/SaaS
Harness collective intelligence
Enterprise social computing
HTML Mashup
Enterprise mashup
Rich User Experience
Rich User Experience
The Web As Platform
The Web As PlatformKey Characteristics of Consumer Web 2.0 and Enterprise Web 2.0
The technology paradigm shifts with web 2.0 brings tremendous, tangible and measurable ROI to corporate IT. Further, the new possibilities enabled by web 2.0 such as social computing are bringing corporate IT to new horizons.
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