Download - IS20090 Week 4 - RSS
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RSS
Josh Clark,
UCD Science Librarian
IS 20090
Web 2.0 & Social Media: An Introduction
30 September 2009
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Agenda for today’s lecture
What is RSS?
How does it work?
Why is it useful?
RSS practical session!
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So…what is RSS?
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RSS in a Nutshell
Really Simple Syndication
- allows Web content to be “syndicated”
Bottom line:
You don’t have to visit a website in order to view its content
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syndicating Web content.
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Story is written Story appears here
Story
is s
ent t
o
“the
wire”
Papers pick up
“feed” off the wire
Syndication – what’s that?
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Syndication
Story appears here
and here
here here
and here
here
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Written once Put on wire
APPEARS IN
MANY PAPERS
Syndication
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Just like RSS. Except…
The article or “post” is written (i.e., on a blog)
The blog automatically creates a “feed” and makes it available on the Web
You use a “feed reader” to subscribe to the feed
You see updated headlines to your subscribed feeds in your feed reader
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Article or “post” is written Article appears in your feed reader
“Fee
d” is
avai
lable
on the
Web
You use feed reader
to subscribe to the
feed
RSS Syndication
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RSS in Plain English
(YouTube video)http://www.youtube.com/watch?v=0klgLsSxGsU
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A little history…
1997 – Dave Winer (software developer) develops an XML-based web syndication format for his blog, Scripting News
1999 - Netscape also experimenting at this time – RDF Site Summary and later, incorporating parts of Winer’s format
2000 – RSS 1.0 developed
2002 – RSS 2.0 developed (Winer assists)
2003 – RSS 2.0 specification released
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RSS is everywhere!
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A sampling of RSS feed icons
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Now the standard…
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feeds here
and feeds here
Newspapers….
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other Irish sites…
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Feeds here
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RSS and Social Networking
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flickr feed for new photos here
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YouTube video categories –
…notification when new videos are posted
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RSS and Business
RSS is being used in business
it’s all about marketing!
feeds for company press releases, events, news, new products, etc.
using others’ feeds on own website
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Feed here
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RSS and academia
A powerful tool for researchers
Keep up to date with the latest research
Uses: subscribe to journal TOCs, cited articles, searches…
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Journal tables of contents
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UCD Scholarcast
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UCD Library…subscribe to our blogs, news, etc.
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Podcasts too!
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RSS: an alternative to email?
email is subject to spam filters
too many emails!
email involves personal details – “signing up”
RSS is anonymous
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UCD Connect uses RSS…
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an RSS feed consists of…
a summary of content includes headlines, excerpts, links
to full content wherever it resides on the Web
also contains metadata (information about information), such as date of publication, authorship, etc.
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an RSS feed consists of…
Headline & Source (& link to actual story) summary
Time stamp
Maybe a photo
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what does RSS look like?
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What’s behind it all? XML
eXtensible Markup Language
separates form from content
Allows feeds to be viewed by many different RSS feed readers
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what does RSS look like to you?
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what does RSS look like to you?
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what does RSS look like to you?
Internet Explorer 6.x
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what does RSS look like to you?
Internet Explorer 7.x
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what does RSS look like to you?
Firefox 3.x!!!
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what does RSS look like to you?
Google Chrome 3!!!!
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What’s required?
An RSS feed readercould be part of your email program- Gmail (google reader)- Yahoo!, etc.
could be Web-based (see RSS Compendium @ allrss.com)
…or on your desktop (software)
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Netvibes (web-based)
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Bloglines (web-based)
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Mozilla Thunderbird email client (desktop)
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RSS Mashups
Filtering and using RSS feeds for useful purposes
i.e., Google Maps and _________
filter or combine feeds into one useful feed – get rid of the noise!
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RSS can be used to create new functionalities on the Web…
Using feeds from YouTube, flickr, Google Maps, Google Earth…
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Last year’s US presidential election…
this mashup brought in info from YouTube, blog feeds, Google Maps…
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This is all great, but even so….
People still don’t understand itRelatively simple, but slow to
spreadThis could change – integration is
keyMake it simple! Preselected
feeds, etc.
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Feed overload!
Can be a problem
Easy to subscribe to
too many feeds
AND….
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There’s a new kid in town!
Many websites that offer feeds are also tweeting!
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News travels fast…but travels even faster on Twitter!
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Twitter…a viable alternative to RSS feeds!
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A typical day in TwitterLand….
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UK Guardian’s coverage of the Labour conference in Brighton…
The mainstream is catching on
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IS20090 Week 4 assignment
EMBED 5 feeds (your choice) into your blog
For your blog:
An approx. 200 word post about how RSS feeds could help you as a student
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Acknowledgements
Slides 6-10 are adapted from Peter Bromberg’s “RSS Demystified” presentation found at http://www.slideshare.net/pbromberg/rss-demystified
(used with permission)
(Peter Bromberg, South Jersey Regional Library Cooperative)