Christmas lights: Outdoor displays go higher and higher tech (video)

By Samantha Murphy
Christian Science Monitor

When Carson Williams of Mason, Ohio, posted a YouTube video of his lively computer-synchronized Christmas display on his front lawn a few years ago, the video went viral. Millions of online viewers watched Williams' multi-colored lights in the form of peace symbols, glowing stars and dancing trees, move in sequence to the song "Wizards in Winter" by the Trans-Siberian Orchestra.