NBC is planning to turn its flagship site into a MySpace-style social network, as well as enabling users to embed NBC clips on external blogs an social sites ala YouTube - that functionality is expected to go live in June. In addition to building profile pages, users will also be able to upload videos, create fan groups and get viewing recommendations from similar users. Those areas of the site will require registration, and NBC will use that data to target ads more effectively.
The social networking tools have been in development for 8 months, and there's no relationship to the NBC-News Corp deal we mentioned yesterday. In fact, it would be a surprise if NBC wasn't integrating social networking into its site - all the networks will make the jump eventually.