How LinkedIn Improves Web Presence
LinkedIn bills itself as
LinkedIn is very different from Facebook in that you are focusing on your qualifications as an individual, and connecting to other individuals by virtue of their professions and employers or industries.
So why belong to LinkedIn? As with sites like Facebook, LinkedIn has very high PageRank (PR 9), and you can link back to your business site on your profile page. So the first thing you get is a very strong backlink.
Maybe I should have put this first! The whole purpose of LinkedIn is to provide a place for people in a given industry or profession find each other. LinkedIn has thousands of Groups to link up with others. Here are some that I belong to: