Gen Z had eluded Subway. Teens are watching less live TV, so they don’t see its ads, and they don't like direct advertising. So Subway launched sitcom The 4 to 9ers, and the first season attracted 18 million viewers. But who wants to watch a TV show created by a fast food chain?

The American appetite for fast food is waning. Instead, people are hungry for experiences. In response, fast food chain Taco Bell has launched an upmarket Mexican-American restaurant brand, aimed at a Millennial demographic demanding fresh, gourmet food in a casual setting.

The UK restaurant scene is changing, with casual dining replacing traditional high-end restaurants. Following the rise in popularity of street food, upmarket fast food and quality casual dining, people no longer look for attentive service and extravagant interiors.

What makes a great pizza? According to Pizza Hut, it's about making sure their customers know each pizza is hand-tossed - so they're adding a few imperfections. Rough around the edges, these pizzas make for a more authentic experience.