As if the Internet, in all its infinite wisdom, needed another social networking site -- we've got one. It's through Variety Magazine, called The Biz. I'm assuming this site is more specific to people involved in the entertainment/film industry. Although, I've received some odd "contact requests" from people I don't know, and I don't really know how they stumbled upon my profile.
Here's my profile:
The Q&A section is interesting. And for comic book creators, this site could be place to post a resume, if you're looking for work in other media. (I can't say I'm one of those people. I'm rather happy staying with comics, but who knows?) I seriously doubt this site will be your answer to a multi-million dollar movie deal. However, it looks like a better alternative to LinkedIn or Craig's List.