I sent out a LOR, a picture, and a SASE on 6/18/14 and got a reply today on 7/7/14. I think this is really cool!
Address Used:
Steve Downes
WDRV
875 N. Michigan Avenue
Suite 1510
Chicago, IL 60611
Autographs Received - Ron Jeremy, Pawn Stars, Steve Downes, Rick Astley, Alexey Pajitnov, Bill Nye, John Glenn, John Travolta, Danny McBride, Richard Stallman, Col. Chris Hadfield
Autographs Pending - Ellen Mclain, Gabe Newell, Bob Saget, Howard Scott Warshaw, Naoto Ohshima