Measuring the ROI of your social media efforts

Q: Like so many small business people these days I suppose, I am getting my feet wet with social media. I have a Facebook account and am getting involved in LinkedIn which I like a lot. That all said, I am not sure it is worth all of the effort. How can I tell? — Jan

By Steve Strauss for USA TODAY

Full Story: http://www.usatoday.com/money/smallbusiness/columnist/strauss/2011-03-13-small-business-and-social-media_N.htm?loc=interstitialskip