We&#x27;re rapidly approaching the point where the utility of an untrained, low-skill worker is less than the cost of technology to replace them.<p>Self-service checkout lines for retail are already an improvement - how long until fast-food restaurants simply turn around the POS systems at the counter, and you have Siri or Cortana taking your order at the drive-through?<p>The floor for employability is getting higher, and I&#x27;m worried for the people with low ceilings.