3.  A chunk of code that you can imbed in an existing envronment  Differences › Resides: desktop or web › Embedding: any page or application or limited › Runs: your machine or server  Let’s add some to a web page

4.  Resources › http://www.widgipedia.com/widgets/search/Web+Widgets http://www.widgipedia.com/widgets/search/Web+Widgets › http://www.widgetbox.com http://www.widgetbox.com  Let’s add some to a web page › http://wwwx.cs.unc.edu/Courses/comp101-f10/widgets.html http://wwwx.cs.unc.edu/Courses/comp101-f10/widgets.html

6.  Customizable homepage of gadgets › Gadgets = widgets › Specific to iGoogle  If it has what you want…

7.  Visible aggregation: access to multiple web sites or functions  Collection of individual pieces  Tools exist but often “roll your own”

8.  Aggregation of information presented cohesively  Dynamic information  Should not be able to tell that it is a mashup!  http://www.programmableweb.com/mashups http://www.programmableweb.com/mashups