It has definitely gained traction:
http://mashable.com/2011/12/20/how-t...e-klout-score/
"Schaefer ? a marketing professor at Rutgers University ? also noted that Klout is even becoming a measurement for job performance and status: ?If you?re in that situation, most consider a score over 30 to be pretty reputable and a score over 50 to be elite.?