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Publishing Online
Web 2.0:
Concepts and
Applications
Overview
Blogs and wikis are two Web 2.0 tools that
allow users to publish content online
– Blogs function as online journals
– Wikis are collections of searchable, linked Web
pages that users can create or edit
collaboratively
Blogs and wikis both offer users a simple
way to publish content to the Web without
the need to know HTML
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Overview
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Overview
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Understanding Blogs
Users update their blogs by entering new
content using a blogging application
– Collection of all bloggers (people who post to their
blogs) and their blogs is referred to as the
blogosphere
– A permalink can be used to link to a specific article
on a blog
– Blog members read and follow a blog
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Corporate Blogs (e.g. Apple, Windows)
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Understanding Blogs
Citizen journalists share their thoughts about
news and events
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News and Opinion Blogs (e.g.
The Huffington Post)
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Searching Frequently Updated
Web Content
The World Live Web refers to the everchanging nature of all types of information on
the Web
– News headlines
– Frequently updated blogs
– Updates on social networks
– Popular terms on search engines
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Searching Frequently Updated
Web Content
Technorati
digg
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Web-Based Blogging
Applications
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Interacting with a Blogger Blog
 Components of most blogging applications include
the ability to:
– Create and edit blog posts
– Configure the blog’s settings
– Select a design template and customize its layout
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Blogging with Multimedia
Bloggers can upload images and videos from
their computer, or third-party multimedia
sharing services such as Flickr or YouTube
Adding images to a blog enhances the blog
– Most blogging applications resize images so that
they fit in the content area
– Use images in a compressed image format to
reduce size
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Blogging with Multimedia
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Blogging with Multimedia
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Blogging with Multimedia
You can embed content in a blog or on a Web
page, e.g. Youtube blog
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Blogging with Multimedia
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Blogging with Multimedia
 Video blogs are
blogs whose
posts primarily
contain videos
recorded by or
featuring the
owner of the blog
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Extending a Blog’s Value
After creating a blog, you should publicize it to
increase traffic
– Include blog URL in e-mail signature
– Add links/information to social networking sites
– Become an active participant on other blogs
– Back (inbound) links and outbound links
– Post reciprocal links
– Notify search engines (ping) when there is updated
content
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Extending a Blog’s Value
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Extending a Blog’s Value
 Advertising is the main
source of revenue for
most blogs
– Leaderboard/banner ads
– Skyscraper ads
 Context-sensitive text,
image, or video
advertisements are
related to page content
 E.g. link
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Extending a Blog’s Value
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Extending a Blog’s Value
Google AdSense ads displayed on a blog are
priced at either
– Cost-per-click (CPC)
• Paid when users click an advertisement
– Cost-per-1000-impressions (CPM)
• Paid when the ad appears 1000 times
Blogger offers built-in functionality to work with
Google AdSense
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Extending a Blog’s Value
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Understanding Wikis
A wiki is a collection of Web pages where
users can add, discuss, or edit existing content
that they, or others, have created
Contributors of wikis usually have to register to
be able to make changes
Wikis have an open structure allowing users to
create new pages and link existing pages
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Understanding Wikis
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Understanding Wikis
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Understanding Wikis
Many wiki providers host wiki applications on
their own servers and allow contributors to use
their features at no cost
– They charge additional fees for increased storage
Domain names assigned by hosting services
typically contain elements of both the
provider’s and user’s domain name
Custom domain names are shorter and easier
to remember
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Understanding Wikis
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Understanding Wikis
Wikis can be used in many different settings,
such as in a college information technology
course
– Students can post and share their notes
– Users can create or edit an article using a
WYSIWYG editor
– Wiki administrator can track how page was
modified over time, and who made each change
• Revisions page
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Understanding Wikis
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Wikipedia
Successful online encyclopedia generated by
contributors
Contains more than 3.1 million articles
Sandbox page helps users learn how to use
the wiki application software
New articles are first posted in a private
section until reviewers provide feedback and
corrections are made
– Moved to live site after corrections are made
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Wikipedia
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