What advantage do mashups provide to users?

The advantage of mashups lies in their ability to integrate multiple functionalities from different sources into one cohesive application. This integration enables users to leverage the strengths and features of various platforms or services seamlessly. For instance, a mashup might combine mapping functionality from one service, data from another, and presentation features from a third, creating a richer user experience that would be difficult or impossible to achieve with a single-service application.

This integration allows users to access diverse information and tools in one place, streamlining workflows and enhancing productivity. In contrast, options that suggest increased complexity, limitation to single-service applications, or merely a reduction in software costs do not accurately capture the primary benefits of mashups. Rather, the key point of mashups is their ability to provide a versatile, multifunctional user experience by merging capabilities from various sources.