I come across a new word 'Mashup' in Integration Architecture designer exam trailmixes. ofocurse its new word in salesforce but its not new world. When we are implementing salesforce, we are frequently integrate with other system. Focus of Mashup come's here. Its bring data from external system to add the value to the existing applications. mashups require different levels of integration, depending on whether the mashed-up data is only meant to be viewed, whether it can be edited, and whether data is actually transferred between systems. There are three types of mashup:- Client Presentation Mashup - In this type of mashup the integration takes place strictly at the visual level. It makes possible to view data from two or more applications in a browser, without actually moving data between the applications. Example - Google Maps. Client Service Mashup - As mashups evolve, they are becoming more complex and sophisticated. Client services mashups, for exampl...