Like most millennials, I like to think I have an idea of what's trending at any given time, but I often find out about things way late — the life cycle of a viral trend is often frighteningly short.

On Saturday, a high school cheerleader posted a viral six-second clip of her stepping over an invisible box: At first, the stunt/trick/whatever really doesn't look that hard until you give it a try.

There's a new trend sweeping the internet that makes the mannequin challenge, the ice bucket challenge, and planking look like child's play. It's called the invisible box challenge, and if you've ...

Invisible box challenge? This is how it's done, internet The Drop's Justin Mack demonstrates the proper way to pull of the invisible box trick that is taking over the Internet.