You Should Be On LinkedIn
There are a bevy of social media sites out there, some more worthwhile than others. One that is worthwhile is LinkedIn. It is Facebook for professionals. You can use it to help get introductions to potential clients or help find jobs. There are a million things you can do with LinkedIn. You can read more here and here.
Why should you get a LinkedIn profile? One reason is for SEO of your website. Read more about it here.