ScienceStage is a global, science-oriented multimedia portal that specializes in online video streaming, which is used to support communication between scientists, scholars, researchers in industry, and professionals. It is also used by academics and students as a virtual educational tool. Video content ranges from conference recordings, to interviews, documentaries, webinars, and tutorials. ScienceStage, as its slogan suggests, also functions as a 'hub' by creating a meta-layer that enables the networking of both users (individuals and groups) and content (video, audio, and documents), which forms an integrated multimedia and social networking platform for scientists.
Interesting short post from RWW about how changes to Twitter's terms of service will adversely impact on the ability of scholars to use it for their research.