Roborock, arguably Roomba’s biggest competitor in the world of robot vacuum cleaners, launched a new line of flagship robot vacuums at CES this week. The S8 Series starts at $750, and its big new feature is straight out of Roomba’s playbook: dual roller brushes.
While brushes may not sound as impressive as lidar mapping, AI-obstacle avoidance, or automatic emptying docks, a big problem with most robot vacuums is they have one small brush trying to pick up all the dirt. Often, this is a…
