I am always being asked about social media?
This is a good overview in a nice infographic by Leverage Media. It will show you what the focus, audience, users, and other information that is good to know. With all of your use of the social medias to get the word out. You need to understand what it is all about.
Use this to see where you fit. Where does your company belong? Where does your client hang out?
Check it out.