The Perfect Bartender

We’ve all sat there sipping a drink we know had extra liquor value in it, or looked at the check when the time came to pay a bill and noticed drinks we did not get charged for. Did you think someone decided to have this happen or perhaps it was just a mistake? What choices do you make as a customer when these gratuitous events come along? An interesting study recently uncovered facts about what really happens when the customer gets a heavy pour or free drink.