No on measures presence and marketing like a political machine.  And yet, even they have trouble really quantifying the impact of efforts in social media.  I think going forward when clients ask me how to measure, I’ll refer them to this quote from the NYT:

“What’s the return on putting your pants on in the morning? We don’t know,” said Jan Rezab, the chief executive of Socialbakers, a social media analytics firm. “But we just know it’s bad if you don’t do it.”

For the full article check out: Campaigns Use Social Media to Lure Younger Voters