Bloomberg Current is one of the latest business social networking sites which I think deserve more buzz than it has right now. What is it and why you should join it? I am a long time user of Bloomberg BusinessWeek’s Business Exchange (BX.) It’s a news sharing site in which we can either post news pieces or blog posts and discover the latest updates on any business topics you want. I use BX for 2 reasons: Promoting my content and finding stories to blog about and/or share to my social network.…