For LEGO minifigures made in China, which include all collectible minifigures and some magnet figures, they actually do use a camera to recognize the printing (more complicated on torsos with printing on both sides, which is why the old machines in Denmark are not set up this way, but a solved problem with modern technology). read more
So LEGO finally made a decision to change their long-standing stance on race in LEGO sets: All sets that depicted "real people" or "people from licensed materials" would be made with more realistic skin tones, while all the figures for the "normal" LEGO sets would continue to be yellow. read more