A new law in New York recently went into effect to pay delivery drivers from apps like Door Dash and Uber Eats a minimum wage of $17.96 per hour, but some apps have attempted to block tips. Meanwhile, from coffee shops to taxis, software is leaving customers feeling compelled to tip when they otherwise wouldn't. We speak to Food & Wine's executive features editor Kat Kinsman about current tip etiquette and take your calls about how you tip.