Using social media is one of the easiest (and cheapest) ways to actively promote your research and to communicate the implications of your scholarship within and beyond academia.
Social media helps you ...
Basic tools that allow you to easily and effortlessly self-promote include Facebook and Twitter. These allow you to reach a wide audience and connect with others who share similar reserach interests.
You can follow up with more information on your blogs or microblog. Tools such as Wordpress or Blogger give you more room to express yourself, to document your project, host files, and share more widely.