The history of how these mass-produced novelty lights became a holiday fixture is a distinctly American Christmas tale.

We tend to think of Christmas ... They light 80 million homes and consume 6 percent of the nation’s electrical load each December. And though the contagious joy of these lights has been co ...

For Michael Simmons, what started as a passion for Christmas light displays in 2007 has transformed into the creation of a new mobile app.

Specifically, [Andy] has a long string of programmable RGB LED lights to wrap around a Christmas tree, but didn’t want to spend time manually mapping out each light’s location. So he used ...