At Social Media Camp last week in New York City, the real-world value of social media was a hot topic for attendees. Questions about ROI (that's return on investment for all you vehemently anti-corporate and possibly broke folks) abounded, and true experts were on hand to answer.

One such expert, Howard Greenstein, has a mile-long rap sheet in social media and web work that reaches back into the mid-nineties. He is known for his unique blend of experience and enthusiam, both of which he brings to this video conversation about how businesses and brands can use social media.