What is Social Media Optimization?

The new Buzz phrase at the moment is Social Media Optimisation or SMO, but what is it and how can it help you promote your website?

Social Media Optimization is a set of methods for generating publicity through social media, online communities and community websites such as Facebook, Twitter, MySpace, Blogging, posting industry articles, being active on forums, publishing RSS feeds, posting videos on sites like youtube, etc, etc.