Here is a video by WSJ reporter Heather Won Tesoriero:
"Drawing a Blank Face
A London artist on Prosopagnosia, also know as "Face Blindness," and the difficulty in not recognizing friends and family. "
Also featured in the video is U.C. London- based Brad Duchaine, one of the leading researchers in prosopagnosia. He is the one who tested me also.
One more bit of information out there for people to help people understand prosopagnosia.