This $19 Wi-Fi Endoscope Could Really Come In Handy Someday, Right? 

Look, I get it, you don’t think you need an endoscope. And you probably don’t! At least right now. But the day will come—it could be in a week, it could be in 10 years—where you need a snake-like camera to look down a drain, or in the recesses of a car engine, or inside your air conditioning ducts, and you’ll be glad…