The best tech deals in the Black Friday sales, Samsung has re-entered the robot vacuum market. the app that’s like Airbnb for swimming pools, we take a look at the Netgear Nighthawk M6 Pro 5G hotspot, the new MacMate wireless charging station for all your Apple devices, the new Oral B Bluetooth electric toothbrush that can improve your oral health and we’ll answer all your questions in the Tech Guide Help Desk.