Mrs. Grundy writes: CGI software, even open-source software like Blender, continues to improve in quality, speed and easy-of-use. Photographer Mark Meyer wonders how long it will be before large segments of the photography industry are replaced by software and become the latest casualty to fall to outsourcing. Some imagery once the domain of photographers has already moved to CGI. Is any segment of the photography market safe? Will we soon accept digital renderings in places where we used to expect photographs?