Tech Guide #510 - Smartphone and smartwatch special edition

Samsung retains top spot ahead of Apple in the smartphone category, foldable smartphones have experienced huge growth and we go through the rumours ahead of Samsung Galaxy Z Fold 4 launch next month, the tips to keep you safe online at tax time, we look at not one smartwatch but two – the Huawei Watch D which can take your blood pressure and the Withings ScanWatch Horizon which looks like a regular watch, we also road-test the Samsung Bespoke Jet Pro Stick Vacuum and we’ll answer all your questions in the Tech Guide Help Desk.