By Dave Snelling If you’re constantly missing crumbs, pet hairs and dust during the weekly clean Dyson thinks it has the answer. The UK firm is about to launch a clever new “CleanTrace” upgrade that will show you exactly where you’ve vacuumed and which spots have been dodged. This will be made possible thanks to your smartphone which will clamp to the current Dyson Gen5detect’s suction pole and show you a map of where has been cleaned via a new app. Clever Augmented Reality (AR) is also being used to overlay a virtual cleaning trace on your floors – this can then guide you to areas that haven’…