<prompt> Construct a matrix that provides a comparison between two different products.The two products are a vacuum cleaner and a robot vacuum cleaner.  <response>: Features Vacuum Cleaner Robot Vacuum Cleaner --------- Design Upright or Canister Compact and Circular Usage Manual pushingpulling Automatic, programmed Navigation Controlled by user Uses sensors and mapping technology Cleaning Strong suction, Multiple attachments Moderate suction, Rotating brushes Time User-operated Scheduled or started remotely Maintenance Emptying dust containerReplacing bag, Cleaning filtersbrushes Emptying dust container, Cleaning filtersbrushes Price Varies, often more affordable Varies, often more expensive 