The tastemakers: Influencers and laboratories behind food trends

Tang. Swanson's TV dinners. Wow Chips. BacOs. Since the dawn of dinner, food fads have formed, and fizzled. But who's behind them?

Sherry Frey is an Insights Executive at Nielsen IQ in Chicago, a spinoff from the Nielsen TV-ratings company. She analyzes the public's food purchases and spots the trends.

These days, here's a big one: "Consumers are savvier than ever about what they're putting in their bodies, and the impact that it has on their health, but also the health of the planet overall," Frey said.