LED Christmas lights use a tenth of the power of regular Christmas lights. They're not nearly as fragile. They can be programmed for all sorts of different effects. They cost only slightly more than regular lights but can last for years longer. The only problem is that they don't look like the Christmas lights one's used to so not everyone's buying them.

Technology runs up WHAM! against the brick wall of human culture and tradition.

As told on Gizmodo and Slashdot.