Loic Le Meur of Seesmic introduced a new plugin platform for Seesmic desktop which allows Twitter developers to customize Seesmic Desktop by writing plugins. In fact, the platform doesn’t even have to rely on Twitter anymore to be successful thanks to its recently launched plugin platform – you could just use it as a Facebook client, for e.g., since Facebook will be available as a plugin. From the streams, to being able to integrate your own photo service, to enabling link parsing and shortening in your own way, to even altering and integrating with the search box, developers have full control of the entire desktop environment for customizing not just your Twitter experience, but your Facebook, LinkedIn, Myspace, or even open environments like Status.net and any environment you choose. It’s all user-targeted. Each install is packageable in developers’ or brands’ own skin, in whatever logos or colors you like. Developers can even specify what plugins get installed as part of the package. Once user downloads initial install, users can then download & modify additional plugins to customize it for their own experience. Developers can get started at here.The platform is based on Microsoft Silverlight.