if not humans,then I.T./K.I. as partner :
1.
https://www.google.pt/search?q=scan2cad&ie=utf-8&oe=utf-8&client=firefox-b&gfe_rd=cr&dcr=0&ei=dbDJWcz0DZLY8get7K3oAg
2.
https://www.google.pt/search?q=cad2cnc&ie=utf-8&oe=utf-8&client=firefox-b&gfe_rd=cr&dcr=0&ei=wrDJWZD3KJLY8get7K3oAg
and release your doubts,for yourself
forget humanity