Customer in car being handed a bag of food at a drive-thru - kckate16/Shutterstock All businesses need to evolve to stay relevant, and while some changes are blatant and obvious, many updates happen ...

Decades before McDonald's, there was White Castle. Historians credit the hamburger chain with creating the modern fast-food industry as we know it. The legend goes that White Castle founder Walter ...

From 15-cent burgers and golden arches to digital kiosks and app perks; menu expanded from basics to global favorites.