Last fall, social analytics startup SocialRank sold its product and business to Trufan , allowing the team to focus on something new: a professional social network. Today, they’re officially unveiling Upstream to the public. To be clear, CEO Alex Taub told me that he’s not trying to replace LinkedIn — he acknowledged that thanks to network effects,”If you want to go and try to take down LinkedIn, you’re not going to be able to take them down.” Instead, the goal is to create something that fulfills a different need.
Source: Upstream aims to be the new home for your professional social life