"If you're going to invest time in social media marketing, you need to measure performance, but it can be difficult to identify relevant metrics.
There's no one-size-fits-all method of measuring social media success, because goals vary from company to company. But you can certainly find ways to measure all the work you're doing on social."
This infographic from exacttarget.com looks at how to align your social media objectives, how to measure reach and share of conversation, and most importantly, how to track your leads.
5 Steps to Effective Social Media Measurement #Infographic