Behind Artificial Intelligence Lurk Oddball Low-Paid Tasks

Tucked into a back corner far from the street, the baby-food section of Whole Foods in San Francisco's SoMa district doesn't get much foot traffic. I glance around for the security guard, then reach towards the apple and broccoli superfood puffs. After dropping them into my empty shopping cart, I put them right back. I ask my coworker filming on his iPhone. It's my first paid acting gig.