Microsoft Developer Network
The Microsoft Developer Network (MSDN) is the portion of Microsoft responsible for managing the firm's relationship with developers and testers, such as: hardware developers interested in the operating system (OS), and software developers standing on the various OS platforms or using the API and/or scripting languages of Microsoft's applications. The relationship management is situated in assorted media: web sites, newsletters, developer conferences, trade media, blogs and DVD distribution. The life cycle of the relationships ranges from legacy support through evangelizing potential offerings.