I tested the Eufy Omni S2 robotic vacuum — and it's expensive and impressive in equal measure

Eufy Omni S2: two-minute reviewEufy’s latest flagship robotic vacuum and mop, the Omni S2 is a hugely impressive appliance that combines excellent mopping with brilliant vacuuming to create one of the best home cleaning systems you can buy. It also self-cleans so thoroughly that, after several weeks of daily use, the dust bin, rollers and mop still looked like new.The Omni S2 uses warm water to clean its spinning mop as it goes, while also scraping away dirt and using cyclone technology to