Almost 80 years after the Diners' Club was founded, eating out is increasingly a matter of having the right card. If you don't, you're probably subsidizing other people's elite reservations.
Wednesday, August 26 was a Global Day of Hospitality, in which restaurants across the world offered pay-what-you-can menus. Many hope it won't be a one-time offer.
Chefs and diners have been plenty skeptical of Restaurant Week's discounted menus. But what if it's a better way to learn what a city's restaurants have to offer?
