Hidden slavery is a growing global problem but we continue to turn a blind eye and embrace a seemingly insatiable demand for fast, cheap goods and services.
It's a psychological quirk that when something becomes rarer, people may spot it in more places than ever. What is the 'concept creep' that lets context change how we categorize the world around us?
Asking people about morality and empathy may not yield sincere answers. Moral sentiments, can, indeed, be measured.