LinkedIn: The Darling of Business Social Networking Linked In is World’s Largest Professional Network with 150 million+ members.  You can: Manage your professional identity. Build and engage with your professional network. Access knowledge, insights and opportunities. Carlos “Los” Silva is a relationship marketing expert and the director of social development …

  Likes UP: LinkedIN IPO -Certified MENSA Genius Jim Trippon Tells All Social Media is about liking, commenting, and linking. Here’s commentary on LInkedIn’s IPO  In mid-May, professional networking site Linked In (NYSE: LNKD) went public at an initial pricing of $45 a share, but by the time of its …