NEW : Video was meant to be humorous showing of software glitch , co-workers say . Co-workers : Motion-tracking webcam moves with white woman , not black man . ` ` I think my blackness is interfering with the computer 's ability to follow me , '' user says . Comment:
NEW : Video was meant to be humorous showing of software glitch , co-workers say . Co-workers : Motion-tracking webcam moves with white woman , not black man . `` I think my blackness is interfering with the computer 's ability to follow me , '' user says . HP : `` Camera may have trouble 'seeing ' contrast '' in poor lighting conditions .