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# Web 2.0 again
- URL: https://www.lorcandempsey.net/web-20-again/
- Published: 2005-10-02T20:29:00.000Z
- Updated: 2020-10-28T21:02:50.000Z
- Author: Lorcan Dempsey
- Tags: Systems

Here are some Web 2.0 definitions. In common seem to be the idea of a platform or platforms which mobilize collective co-creation capacity, and support on-demand availability of recombinable data and services.  
Tim O’Reilly: 

> Web 2.0: Compact Definition?”>Web 2.0 is the network as platform, spanning all connected devices; Web 2.0 applications are those that make the most of the intrinsic advantages of that platform: delivering software as a continually-updated service that gets better the more people use it, consuming and remixing data from multiple sources, including individual users, while providing their own data and services in a form that allows remixing by others, creating network effects through an “architecture of participation,” and going beyond the page metaphor of Web 1.0 to deliver rich user experiences. \[[O’Reilly Radar > Web 2.0: Compact Definition?](https://radar.oreilly.com/archives/2005/10/web%5F20%5Fcompact%5Fdefinition.html)\]

John Hagel:

> So, in the spirit of entering the conversation, let me suggest that Web 2.0 ultimately refers to “an emerging network-centric platform to support distributed, collaborative and cumulative creation by its users.” \[[Edge Perspectives with John Hagel: What is Web 2.0?](https://edgeperspectives.typepad.com/edge%5Fperspectives/2005/09/what%5Fis%5Fweb%5F20.html?ref=lorcandempsey.net)\]

He goes on to examine each of these attributes in turn. Richard MacManus includes the following in a longer discussion:

> Web 2.0 at its most basic is using services on the Web. Some examples: Gmail for email, Flickr for photo-management, RSS for news delivery, eBay for shopping, Amazon for buying books. That’s why the Web is being called a platform – because all of these services are being built and used on the Web. Why Web 2.0 only now though – hasn’t Amazon been around since 1995? Why yes, but it’s taken until 2005 for broadband and web technology to catch up and reach a ‘tipping point’ – the Web is fast becoming the **platform of choice** for developers, business, media, public services, and so on. \[[Read/Write Web](https://www.readwriteweb.com/?ref=lorcandempsey.net)\]