Sales factors (discounts) and vendor lock in's/preferences (with good reason or not). Oddly some of the same stuff happens with drugs! https://tonic.vice.com/e

Sales factors (discounts) and vendor lock in's/preferences (with good reason or not). Oddly some of the same stuff happens with drugs! https://tonic.vice.com/en_us/article/pg7ez9/pharma-reps-are-basically-bribing-your-doctor-study-confirms https://tonic.vice.com/en_us/article/pg7ez9/pharma-reps-are-...