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Back in 2004, Audi put the first-ever set of LED daytime running lights on the road. We look at the car that kicked off the trend, some of the technical advances that led to it, and some of the most ...

Of all the skincare-related questions I receive from friends, family members, strangers over DM, et al., the most popular one is Which LED mask is actually worth the money? And, look, I totally get ...