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A plugin (or "plug-in") is a computer program that interacts with another program to provide a certain function. Typical examples of plugins include: a web browser plugin (such as "adobe acrobat reader"), a program to display specific graphic ... formats (such as "video codecs" for Windows Media Player), and the like. Plugins are slightly different from program extensions, which modify or add to existing functionality. The main difference is that plugins generally do not change a user interface and run within well-defined boundary; comparatively, extensions generally ... (view more)