Definition
Mashup by integration refers to mashups in which two or more data sources are integrated into one list, view, UI, or application.
Google Reader
 Google Reader allows users to tag various RSS feeds and then share all the feeds with a given tag as a public page or javascript snippet that can be added to an existing site. |
Yahoo Pipes
 Yahoo pipes provides a graphical user interface that allows users to "pipe" information from various sites together and then output the result into an single integrated list as RSS, JSON or various types of widgets. |
Dapper
 Dapper allows users to extract content from a website and republish it as RSS, as a alert or as a widget. |
Popfly
 Popfly is similar to Yahoo pipes in that it gives users a GUI for "connecting" data sources. But Popfly will also connect a data source to various app modules such as Virtual Earth or modules for displaying slideshows. |
Mashups for the Masses