Gluten-free is getting to be the latest craze in the healthy food markets.

FORBES: Smart Balance: Maker of Heart-Healthy Food's Entry Into Gluten-Free Market Attracts Investors

But where do you draw the line between giving into the latest craze and getting out in front of a tectonic shift in eating habits?

FORBES: Magazine Article

The latest craze is for pieces of Chinese cities.

ECONOMIST: The price of connections

The latest Facebook craze is the lying down game, say news reports.

FORBES: A disturbing Facebook meme: The lying down game

The latest gaming craze in sports bars and NBA locker rooms is dominoes.

FORBES: Domino Theory

The latest cloning craze is localized versions of GroupOn.

FORBES: What's Left To Clone In China

Baauer's Harlem Shake - the song behind the latest internet dance craze - fell from three to eight in the singles chart, while Macklemore and Ryan Lewis's Thrift Shop dropped from two to four.

BBC: Justin Timberlake

The Harlem Shake is the latest internet dance craze, and typically begins with one dancer who is then quickly joined by others, often in costumes or with props.

BBC: Harlem Shake miners fired over safety fears

Exploiting the craze for mock school discos is its latest move.

ECONOMIST: Nightlife

Over the next 10 years or so, I followed watch trends like a hawk, always buying my latest craze from duty-free whenever I travelled overseas.

WSJ: The March of Time