Web 2.0 – what the heck is it?

POSTED BY on Feb 24 under Uncategorized

So what is “Web 2.0” anyway? Though the version upgrade sounds like a newer version of a software product, it doesn’t actually refer to any one technology. Rather, Web 2.0 is just a new catchy name for an emerging set of internet-based applications and an emerging philosophy on how to use them.

Web 2.0

Newer technologies such as blogs, rss, social networks and the use of newer communication protocols are commonly referred to in technology circles as Web 2.0. The philosophy focuses on the idea that the people who consume media, access the Internet, and use the Web shouldn’t passively absorb what’s available — rather, they should be active contributors, helping customize media and technology for their own purposes, as well as those of their communities.

This philosophy contrasts sharply with the old “Web 1.0” (so to speak) methodology, in which news was provided by a handful of large corporations, Web pages were static and rarely updated, and only the tech-savvy could contribute to the development of the World Wide Web.
Of course, it may seem premature for nonprofits to be thinking about Web 2.0 when many haven’t yet mastered Web 1.0, but Web 2.0 isn’t just the latest new toy for geeks or the bleeding edge so beloved by entrepreneurs. It’s the beginning of a new era in technology — one that promises to help ease the voodoo nature of web development.
So what is Blogging?

Short for “Web logs,” blogs are online journals created by an individual or an organization and cover topics ranging from a variety of topics.

Blogs are a great example of how emerging voices are not only being heard but amplified. By reading and discussing each other’s posts, bloggers form a ut do not e massive network that is able to exert pressure on national media and, increasingly, on policy makers as well.

Blog postings, typically updated frequently, can include photos, links, video, audio, or just plain text. Whatever you are reading on my site is a blog.

Widgets and AJAX Applications

The centerpiece of the Web 2.0 transformation is AJAX, a group of Web page coding technologies that allows pages to respond to a user’s input without processing or reloading the page.

Specifically, AJAX is a term that refers to JavaScript, XML, HTML, and CSS used in conjunction to develop interactive Web applications. AJAX does not change the Web itself, but rather how programmers present the data to users. If you don’t understand AJAX, dont worry. There are a lot of people who claim to be experts in this technology b

With traditional Web applications, when a user clicks something, the action triggers a request to a Web server, which renders the page in the user’s browser. The user must then wait for the page to load while an hourglass or a blank Web page indicates that the request is being processed. Each action a user performs results in lag time. In an AJAX-driven Web application, when a user performs an action — say, clicking a map — the results are immediate, so there’s virtually no waiting time.

One of AJAX’s most popular applications is Google Maps, where you can drag the map around on the screen seamlessly and add and remove flags without having to wait for Google’s server to send you an updated Web page.

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