What is RECCO and how does it work?

By the time you read this sentence, someone will have already posted something inaccurate and misleading about RECCO in the comments on this article on social media. There’s something about RECCO - the little tabs on many pieces of ski outerwear - that brings out unfounded and inarticulate opinions about the state of skier safety and avalanche rescue like nothing else. Too many skiers don’t understand RECCO, what it is, and how it works, but think they do, and spread their misinforma