If you are interested in expending your circle of business connections, talk to like-minded people, help and be helped in solving professional problems, LinkedIn is a site which will allow you do all that for free.
Social Brand Visibility
Social Brand Visibility: Friendfeed
What’s more, Friend feed is also a real-time feed aggregator that consolidates updates from social media and social networking websites, social bookmarking websites, blogs and micro-blogging.
Social Brand Visibility: Identi.ca
Twitter is close, and more popular, but identi.ca is robust, more reliable, and simply an ALTERNATIVE and a CHOICE.
Social Brand Visibility: Mister Wong
A relative newcomer, the service is available in German, French, Russian, Spanish, Chinese and English, and is the leading social bookmarking service in Europe with over 50 million users in 2009. They claim to be the second largest bookmarking service in the world.
Issues and Concerns from Long Island Non-profits : Social Media Day of Giving
A few days later we’ve taken a few minutes to review just a few of the questions, concerns, and issues that the representatives from the nonprofit organizations brought with them to the “Social Media Day of Giving”
Social Brand Visibility: Friendster
Founded in 2002, Friendster is one of the web’s older social networking services, launched before MySpace, Facebook and LinkedIn came into being. Users can join and connect with friends, family, school, groups, activities and interests.