Today’s top dog collars and the technology behind them

Luckily (for you and the dog), keeping track of your canine companion has never been easier, although there are some decisions you’ll have to make. Just like much of today’s technology, dog collars – tracking and training – can leave you shaking your head, especially if you’re new to the field. Here’s a primer on what’s out there, how it works and the best applications of each.