Premium sandwiches like the Big N' Tasty are now put in boxes rather than paper wrappers, saving a few seconds, and the boxes are color coded by sandwich to improve speed and accuracy.

FORBES: On The Cover/Top Stories

The ability to use Watson to answer complex questions posed in natural language with speed, accuracy and confidence has enormous potential to improve decision making across a variety of industries from health care, to retail, telecommunications and financial services.

FORBES: IBM's Watson Heads To University

The ability to use Watson to answer complex questions posed in natural language with speed, accuracy and confidence has enormous potential to help improve decision making across a variety of industries from health care, to retail, telecommunications and financial services.

ENGADGET: Watson heading to college, honing administrator-pranking algorithms