LinkedIn – social networking site that reconnects you with past and present colleagues, helps you to discover inside connections and opportunities, and get advice from industry experts. When you join, you create a profile that summarizes your professional expertise and accomplishments. You can then form enduring connections by inviting trusted contacts to join LinkedIn and connect to you. Your network consists of your connections, your connections’ connections, and the people they know, linking you to a vast number of qualified professionals and experts.
Facebook – social networking site that helps you connect and share with the people in your life.