If you are thinking about playing with social media or expanding your influence online, then you really need to explore Google+
My friend Thomas Power has produced a great profiling tool called Leadors, which will give you some free insights into how you approach online networking, and ideas on what to do next.
The tool is called LeadORS which stands for Open Random and Supportive and is representative of the new approach to working as opposed to CSC (prevalent in big corporations)
You can check it out here => http://www.leadors.co/Media