Tacos with a heavy serving of AI, please. That's what Yum Brands' Taco Bell chain served up to Wall Street this week, the most recent effort by a major fast-food chain to promote newfangled labor-saving technology.

Taco Bell has become incredibly successful due to its insanely low prices and great deals that focus on value, which is a huge selling point for today's consumer. Related: Taco Bell launches new menu item customers can crunch The fast food chain has prioritized fostering innovation by constantly developing and launching new menu items,