What: Internet-connected appliances aren't a niche anymore. They're made by just about every brand out there, from Samsung to Whirlpool and beyond, so if you want to stay in the appliance repair game, you've got to know how they work. To troubleshoot these machines like a real tech, you don't necessarily need to be an IT guy (though that certainly wouldn't hurt). But you do need to understand the terminology used for internet connectivity, the kinds of things internet-connected appliances c