Search for "smart glasses" online and you'll find wearable headsets for a few thousand rand. Then you get a quote for an industrial-grade device and it's ten times that. Same category, wildly different price. So what exactly are you paying for — and when is the cheap option a false economy? Having deployed wearable technology across Southern African mines, plants and field teams, we've seen both ends of this decision play out. Here's the honest breakdown. The two ends of the market At the...