The term social media optimization was first used and described by Rohit Bhargava. Bhargava's original five rules for conducting social media optimization are: 1. Increase your linkability 2. Make tagging and bookmarking easy 3. Reward inbound links 4. Help your content travel 5. Encourage the mashup 6. Get communities connected
I may be wrong, this is a duplicate posting. Please tell Mr.Bhargava include the following points also - 1. Gain increased brand awareness and brand advocates 2. Increase leads 3. Build relationships
The key rule is your regular activity on those social networking sites that can generate more benefits for you.
most easy way to get traffic on your site is to do white hat SEO includes social media, article submission, social book marking, blog commenting etc.