1 – What is Web 2.0 ?2 – Social Media and Collaboration3 – Mashups

How did I get the video to play within PowerPoint 2007?

“Could it be that the dot-com collapse marked some kind of turning point for the Web, such that a call to action such as “Web 2.0” might make sense? We agreed that it did, and so Web 2.0 … was born.” Tim O’Reilly (2004)

What Web 2.0 companies do you recognize?

What are their products?

“While the first wave of the Web was closely tied to the browser, the second wave extends applications across the web and enables a new generation of services and business opportunities.” (O’Reilly, 2004)

Web 1.0 (1993-2003) Web 2.0 (2004 - …)

StaticRead OnlyBrowserNeed to know HTML Client / ServerAdvertisingPhotos and MusicAuthoritativePersonal Web SitesContent Management

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Author: Luca Cremonini Source: http://www.railsonwave.it/railsonwave/2007/1/2/web-2-0-map

1. Web as platform2. Harnessing collective intelligence3. Data is the next “Intel inside”4. End of software release cycle –

“perpetual beta”5. Lightweight programming models6. Software above the level of a single

device7. Rich user experiences

Share what you have learned, created, proved

Innovate to be more creative, inventive, imaginative

Reuse what others have already done Collaborate to take advantage of

what others already know Learn by doing from others and from

existing informationhttp://www.slideshare.net/whatidiscover/web-20-knowledge-management-tools/

Publish your ideas for others to read or comment

Inform colleagues about new information Improve a document with coworkers Meet new people to develop new ideas Find images for a presentation Link to ideas of industry leaders Ask for help Find a new job Listen to an expert See what other people think about an issue

Managing Knowledge – take advantage of what other people know!

Social Networks

Collaboration Tools

Social Content

MySpaceFaceBookLinked In

Twitter

BlogsWikisGoogle DocsGoogleSpreadsheets

Del.icio.usDiggCiteULikeDiigo

It’s not who you know, it’s who knows you.It’s not who you know, it’s who knows you.

Physical World

One book, one shelf

Now, for the first time in history, we are able to arrange our concepts without the silent limitations of the physical. How might our ideas, organizations, and knowledge itself change?

David Weinberger, Harvard University

Digital World

User-provided keywords to help identify or describe an item

Folksonomy (freely chosen keywords)

Non-hierarchical organization scheme

Tag Clouds

Advantages Access bookmarks

anywhere One site can have

many tags Share bookmarks See which sites are

popular Find related sites Know how to find it, not

where it is Non-hierarchical

Disadvantages No oversight on

tags used The same tags

might mean different things

Yet another place to look

How are tags different from key words?

Del.icio.us Wiki Google Docs and Spreadsheets Twitter

Founded in 2003, acquired by Yahoo 2005 Social Bookmarking Store bookmarks online Who else bookmarked the same article as you? Browser buttons make it easy Tag Clouds

http://del.icio.us/username/http://del.icio.us/username/tagname  for:username – share a bookmark

News, video, podcast ranking

Social bookmarking, blogging, RSS

Users submit stories for review

Most popular make it to the top

DiggNation Podcast Categories

Organize academic papers

Tag content Store references See what others

tagged similarly

Social Photo Sharing Acquired by Yahoo Sign up, post pix! Tag photos

Mashups: reuse information that might otherwise remain hidden

Build mashups visually Share on web site, blog, or Facebook Developed by Microsoft non-professional

products division Beta, Oct. 17, 2007 I was in the New York Times!

GeoTagging adds knowledge Combining RSS Feeds Visualization: Plotting Real Estate

Data