At first glance, a pair of Glow headphones might seem like gimmicky glow-in-the-dark earbuds that are designed to get your attention and not much else. But look a little closer and you'll find ...

Feature-wise, it offers a 7,200 DPI optical sensor, and the standard two button/scroll wheel layout. Usefully, the lack of extra side buttons means it’s also ambidextrous.

A new book, “Like: The Button That Changed The World," delves into the convoluted story behind a symbol that's become both the manna and bane of a digitally driven society.

Hollywood’s role in the Like button’s saga . And when Goodson was noodling around with his thumbs-up and thumbs-down gesture, it didn’t come out of a vacuum.