A social network is a social structure made of individuals or organizations that are tied by one or more specific types of interdependency, such as friends, values, visions, idea, hobbies, web links, etc ... We share below our top choices for discovering or expanding your social network.
LinkedIn. This isn’t networking—it’s what networking should be. Forget exchanging business cards with acquaintances that don’t know your work, or trying to renew professional ties when you need a favor. When you join, you create a profile that summarizes your professional accomplishments. Your profile helps you find and be found by former colleagues, clients, and partners. You can add more connections by inviting trusted contacts to join LinkedIn and connect to you.
Yelp is the fun and easy way to find, review and talk about what's great (and not so great) in your world. You already know that asking friends is the best way to find restaurants, dentists, hairstylists, and anything local. Yelp makes it fast and easy by collecting and organizing your friends' recommendations in one convenient place.
Plaxo Pulse. We keep you connected to the people you know and care about. We started with a different kind of address book, one that leverages the power of the network effect to stay up-to-date. We securely host address books for more than 40 million people (and growing rapidly). And now, we're bringing those address books to life with "Pulse," a new way to enrich your connection with the people in your life. Pulse is a bit like some social networks you've heard of, but it's different in several key ways…
Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, share links and videos, and learn more about the people they meet.
MySpace is an online community that lets you meet your friends' friends. Create a community on MySpace and you can share photos, journals and interests with your growing network of mutual friends! See who knows who, or how you are connected. Find out if you really are six people away from Kevin Bacon.