The runners delivering it usually didn't speak much English. I spoke with them in my broken Spanish, which humored them. They were indistinguishable from your average, friendly migrant day laborer.

Phone calls with the operator (el jefe) were brief and to-the-point. Code words were often used, e.g., "I need 2 pairs of pants." There was certainly never any in-depth discussion pertaining to the product.

I'm sure they had users with closer relations that they used for feedback.