So, you've heard the dazzling sales pitch on deep learning and are wondering whether it actually works in production. The top question companies have is on whether the promised land of perennial business benefits is a reality. In a previous article, we saw a simple business introduction to deep learning, a technology that seems to have a swashbuckling solution to every problem. But, what happens when the rubber hits the road? A good gauge of an innovation's maturity level is by understanding how it fares on the ground, long past the sales pitches.