Mashups allow you to easily combine or transform content from one or more mashable information sources or other mashups to produce information for situational applications, ad hoc applications that you can quickly tailor to fit your current needs, apps or dashboards. You use mashup scripts to easily define how different information sources, mashables, large datasets and other mashups, should be combined and transformed to produce just the information you need.

You can also use mashups:

For some simple examples of mashups and information on the Mashup Samples project, see Mashup Samples.