How Much Should You Tip Your Barista?

Picture this - you wake up in the morning, you get dressed, maybe you had your first cup of coffee at home, but maybe your hurrying out the door, you stop by your local coffee shop and order a drink, the screen swivels around and you’re prompted to either leave a dollar more than you expected or nothing at all. How do you feel about it? Yair Ben-Dor has more.