> remarkable! how did people ever live without this before? In a sense, they didn't! When you're outside, the sun and sky already provide "a million different

> remarkable! how did people ever live without this before? In a sense, they didn't! When you're outside, the sun and sky already provide "a million different shades and intensities" of ambient light, depending on the time of day and the weather. Those fancy colored light systems could be seen as replicating that variety indoors.